docs: add a demo showing how to track usage

CHANGELOG.md

@@ -9,137 +9,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Expanded support for universal `LLMContext` to `AWSNovaSonicLLMService`.
-  As a reminder, the context-setup pattern when using `LLMContext` is:
-
-  ```python
-  context = LLMContext(messages, tools)
-  context_aggregator = LLMContextAggregatorPair(context)
-  ```
-
-  (Note that even though `AWSNovaSonicLLMService` now supports the universal
-  `LLMContext`, it is not meant to be swapped out for another LLM service at
-  runtime.)
-
-  Worth noting: whether or not you use the new context-setup pattern with
-  `AWSNovaSonicLLMService`, some types have changed under the hood:
-
-  ```python
-  ## BEFORE:
-
-  # Context aggregator type
-  context_aggregator: AWSNovaSonicContextAggregatorPair
-
-  # Context frame type
-  frame: OpenAILLMContextFrame
-
-  # Context type
-  context: AWSNovaSonicLLMContext
-  # or
-  context: OpenAILLMContext
-
-  # Reading messages from context
-  messages = context.messages
-
-  ## AFTER:
-
-  # Context aggregator type
-  context_aggregator: LLMContextAggregatorPair
-
-  # Context frame type
-  frame: LLMContextFrame
-
-  # Context type
-  context: LLMContext
-
-  # Reading messages from context
-  messages = context.get_messages()
-  ```
-
-- Added support for `bulbul:v3` model in `SarvamTTSService` and
-  `SarvamHttpTTSService`.
-
-- Added `keyterms_prompt` parameter to `AssemblyAIConnectionParams`.
-
-- Added `speech_model` parameter to `AssemblyAIConnectionParams` to access the
-  multilingual model.
-
-- Added support for trickle ICE to the `SmallWebRTCTransport`.
-
-- Added support for updating `OpenAITTSService` settings (`instructions` and
-  `speed`) at runtime via `TTSUpdateSettingsFrame`.
-
-- Added `--whatsapp` flag to runner to better surface WhatsApp transport logs.
-
-- Added `on_connected` and `on_disconnected` events to TTS and STT
-  websocket-based services.
-
-- Added an `aggregate_sentences` arg in `ElevenLabsHttpTTSService`, where the
-  default value is True.
-
-- Added a `room_properties` arg to the Daily runner's `configure()` method,
-  allowing `DailyRoomProperties` to be provided.
-
 - The runner `--folder` argument now supports downloading files from
   subdirectories.
 
-### Changed
-
-- `CartesiaSTTService` now inherits from `WebsocketSTTService`.
-
-- Package upgrades:
-
-  - `daily-python` upgraded to 0.20.0.
-  - `openai` upgraded to support up to 2.x.x.
-  - `openpipe` upgraded to support up to 5.x.x.
-
-- `SpeechmaticsSTTService` updated dependencies for `speechmatics-rt>=0.5.0`.
-
-### Deprecated
-
-- The `send_transcription_frames` argument to `AWSNovaSonicLLMService` is
-  deprecated. Transcription frames are now always sent. They go upstream, to be
-  handled by the user context aggregator. See "Added" section for details.
-
-- Types in `pipecat.services.aws.nova_sonic.context` have been deprecated due
-  to changes to support `LLMContext`. See "Changed" section for details.
-
 ### Fixed
 
-- Fixed an issue in `RivaSegmentedSTTService` where a runtime error occurred due
-  to a mismatch in the _handle_transcription method's signature.
-
-- Fixed multiple pipeline task cancellation issues. `asyncio.CancelledError` is
-  now handled properly in `PipelineTask` making it possible to cancel an asyncio
-  task that it's executing a `PipelineRunner` cleanly. Also,
-  `PipelineTask.cancel()` does not block anymore waiting for the `CancelFrame`
-  to reach the end of the pipeline (going back to the behavior in < 0.0.83).
-
-- Fixed an issue in `ElevenLabsTTSService` and `ElevenLabsHttpTTSService` where
-  the Flash models would split words, resulting in a space being inserted
-  between words.
-
-- Fixed an issue where audio filters' `stop()` would not be called when using
-  `CancelFrame`.
-
-- Fixed an issue in `ElevenLabsHttpTTSService`, where
-  `apply_text_normalization` was incorrectly set as a query parameter. It's now
-  being added as a request parameter.
-
 - Fixed an issue where `RimeHttpTTSService` and `PiperTTSService` could generate
   incorrectly 16-bit aligned audio frames, potentially leading to internal
   errors or static audio.
 
-- Fixed an issue in `SpeechmaticsSTTService` where `AdditionalVocabEntry` items
-  needed to have `sounds_like` for the session to start.
-
-### Other
-
-- Added foundational example `47-sentry-metrics.py`, demonstrating how to use the
-  `SentryMetrics` processor.
-
-- Added foundational example `14x-function-calling-openpipe.py`.
-
 ## [0.0.90] - 2025-10-10
 
 ### Added

README.md

@@ -63,24 +63,24 @@ Catch new features, interviews, and how-tos on our [Pipecat TV](https://www.yout
     <a href="https://github.com/pipecat-ai/pipecat-examples/tree/main/storytelling-chatbot"><img src="https://raw.githubusercontent.com/pipecat-ai/pipecat-examples/main/storytelling-chatbot/image.png" width="400" /></a>
     <br/>
     <a href="https://github.com/pipecat-ai/pipecat-examples/tree/main/translation-chatbot"><img src="https://raw.githubusercontent.com/pipecat-ai/pipecat-examples/main/translation-chatbot/image.png" width="400" /></a>&nbsp;
-    <a href="https://github.com/pipecat-ai/pipecat/blob/main/examples/foundational/12-describe-video.py"><img src="https://github.com/pipecat-ai/pipecat/blob/main/examples/foundational/assets/moondream.png" width="400" /></a>
+    <a href="https://github.com/pipecat-ai/pipecat-examples/tree/main/moondream-chatbot"><img src="https://raw.githubusercontent.com/pipecat-ai/pipecat-examples/main/moondream-chatbot/image.png" width="400" /></a>
 </p>
 
 ## 🧩 Available services
 
-| Category            | Services                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
-| ------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| Speech-to-Text      | [AssemblyAI](https://docs.pipecat.ai/server/services/stt/assemblyai), [AWS](https://docs.pipecat.ai/server/services/stt/aws), [Azure](https://docs.pipecat.ai/server/services/stt/azure), [Cartesia](https://docs.pipecat.ai/server/services/stt/cartesia), [Deepgram](https://docs.pipecat.ai/server/services/stt/deepgram), [ElevenLabs](https://docs.pipecat.ai/server/services/stt/elevenlabs), [Fal Wizper](https://docs.pipecat.ai/server/services/stt/fal), [Gladia](https://docs.pipecat.ai/server/services/stt/gladia), [Google](https://docs.pipecat.ai/server/services/stt/google), [Groq (Whisper)](https://docs.pipecat.ai/server/services/stt/groq), [NVIDIA Riva](https://docs.pipecat.ai/server/services/stt/riva), [OpenAI (Whisper)](https://docs.pipecat.ai/server/services/stt/openai), [SambaNova (Whisper)](https://docs.pipecat.ai/server/services/stt/sambanova), [Soniox](https://docs.pipecat.ai/server/services/stt/soniox), [Speechmatics](https://docs.pipecat.ai/server/services/stt/speechmatics), [Ultravox](https://docs.pipecat.ai/server/services/stt/ultravox), [Whisper](https://docs.pipecat.ai/server/services/stt/whisper)                                                                                                                                                                              |
-| LLMs                | [Anthropic](https://docs.pipecat.ai/server/services/llm/anthropic), [AWS](https://docs.pipecat.ai/server/services/llm/aws), [Azure](https://docs.pipecat.ai/server/services/llm/azure), [Cerebras](https://docs.pipecat.ai/server/services/llm/cerebras), [DeepSeek](https://docs.pipecat.ai/server/services/llm/deepseek), [Fireworks AI](https://docs.pipecat.ai/server/services/llm/fireworks), [Gemini](https://docs.pipecat.ai/server/services/llm/gemini), [Grok](https://docs.pipecat.ai/server/services/llm/grok), [Groq](https://docs.pipecat.ai/server/services/llm/groq), [Mistral](https://docs.pipecat.ai/server/services/llm/mistral), [NVIDIA NIM](https://docs.pipecat.ai/server/services/llm/nim), [Ollama](https://docs.pipecat.ai/server/services/llm/ollama), [OpenAI](https://docs.pipecat.ai/server/services/llm/openai), [OpenRouter](https://docs.pipecat.ai/server/services/llm/openrouter), [Perplexity](https://docs.pipecat.ai/server/services/llm/perplexity), [Qwen](https://docs.pipecat.ai/server/services/llm/qwen), [SambaNova](https://docs.pipecat.ai/server/services/llm/sambanova) [Together AI](https://docs.pipecat.ai/server/services/llm/together)                                                                                                                                                    |
+| Category            | Services                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
+| ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| Speech-to-Text      | [AssemblyAI](https://docs.pipecat.ai/server/services/stt/assemblyai), [AWS](https://docs.pipecat.ai/server/services/stt/aws), [Azure](https://docs.pipecat.ai/server/services/stt/azure), [Cartesia](https://docs.pipecat.ai/server/services/stt/cartesia), [Deepgram](https://docs.pipecat.ai/server/services/stt/deepgram), [ElevenLabs](https://docs.pipecat.ai/server/services/stt/elevenlabs), [Fal Wizper](https://docs.pipecat.ai/server/services/stt/fal), [Gladia](https://docs.pipecat.ai/server/services/stt/gladia), [Google](https://docs.pipecat.ai/server/services/stt/google), [Groq (Whisper)](https://docs.pipecat.ai/server/services/stt/groq), [NVIDIA Riva](https://docs.pipecat.ai/server/services/stt/riva), [OpenAI (Whisper)](https://docs.pipecat.ai/server/services/stt/openai), [SambaNova (Whisper)](https://docs.pipecat.ai/server/services/stt/sambanova), [Soniox](https://docs.pipecat.ai/server/services/stt/soniox), [Speechmatics](https://docs.pipecat.ai/server/services/stt/speechmatics), [Ultravox](https://docs.pipecat.ai/server/services/stt/ultravox), [Whisper](https://docs.pipecat.ai/server/services/stt/whisper)                                                                                                                    |
+| LLMs                | [Anthropic](https://docs.pipecat.ai/server/services/llm/anthropic), [AWS](https://docs.pipecat.ai/server/services/llm/aws), [Azure](https://docs.pipecat.ai/server/services/llm/azure), [Cerebras](https://docs.pipecat.ai/server/services/llm/cerebras), [DeepSeek](https://docs.pipecat.ai/server/services/llm/deepseek), [Fireworks AI](https://docs.pipecat.ai/server/services/llm/fireworks), [Gemini](https://docs.pipecat.ai/server/services/llm/gemini), [Grok](https://docs.pipecat.ai/server/services/llm/grok), [Groq](https://docs.pipecat.ai/server/services/llm/groq), [Mistral](https://docs.pipecat.ai/server/services/llm/mistral), [NVIDIA NIM](https://docs.pipecat.ai/server/services/llm/nim), [Ollama](https://docs.pipecat.ai/server/services/llm/ollama), [OpenAI](https://docs.pipecat.ai/server/services/llm/openai), [OpenRouter](https://docs.pipecat.ai/server/services/llm/openrouter), [Perplexity](https://docs.pipecat.ai/server/services/llm/perplexity), [Qwen](https://docs.pipecat.ai/server/services/llm/qwen), [SambaNova](https://docs.pipecat.ai/server/services/llm/sambanova) [Together AI](https://docs.pipecat.ai/server/services/llm/together)                                                                                          |
 | Text-to-Speech      | [Async](https://docs.pipecat.ai/server/services/tts/asyncai), [AWS](https://docs.pipecat.ai/server/services/tts/aws), [Azure](https://docs.pipecat.ai/server/services/tts/azure), [Cartesia](https://docs.pipecat.ai/server/services/tts/cartesia), [Deepgram](https://docs.pipecat.ai/server/services/tts/deepgram), [ElevenLabs](https://docs.pipecat.ai/server/services/tts/elevenlabs), [Fish](https://docs.pipecat.ai/server/services/tts/fish), [Google](https://docs.pipecat.ai/server/services/tts/google), [Groq](https://docs.pipecat.ai/server/services/tts/groq), [Hume](https://docs.pipecat.ai/server/services/tts/hume), [Inworld](https://docs.pipecat.ai/server/services/tts/inworld), [LMNT](https://docs.pipecat.ai/server/services/tts/lmnt), [MiniMax](https://docs.pipecat.ai/server/services/tts/minimax), [Neuphonic](https://docs.pipecat.ai/server/services/tts/neuphonic), [NVIDIA Riva](https://docs.pipecat.ai/server/services/tts/riva), [OpenAI](https://docs.pipecat.ai/server/services/tts/openai), [Piper](https://docs.pipecat.ai/server/services/tts/piper), [PlayHT](https://docs.pipecat.ai/server/services/tts/playht), [Rime](https://docs.pipecat.ai/server/services/tts/rime), [Sarvam](https://docs.pipecat.ai/server/services/tts/sarvam), [XTTS](https://docs.pipecat.ai/server/services/tts/xtts) |
-| Speech-to-Speech    | [AWS Nova Sonic](https://docs.pipecat.ai/server/services/s2s/aws), [Gemini Multimodal Live](https://docs.pipecat.ai/server/services/s2s/gemini), [OpenAI Realtime](https://docs.pipecat.ai/server/services/s2s/openai)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
-| Transport           | [Daily (WebRTC)](https://docs.pipecat.ai/server/services/transport/daily), [FastAPI Websocket](https://docs.pipecat.ai/server/services/transport/fastapi-websocket), [SmallWebRTCTransport](https://docs.pipecat.ai/server/services/transport/small-webrtc), [WebSocket Server](https://docs.pipecat.ai/server/services/transport/websocket-server), Local                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
-| Serializers         | [Plivo](https://docs.pipecat.ai/server/utilities/serializers/plivo), [Twilio](https://docs.pipecat.ai/server/utilities/serializers/twilio), [Telnyx](https://docs.pipecat.ai/server/utilities/serializers/telnyx)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
-| Video               | [HeyGen](https://docs.pipecat.ai/server/services/video/heygen), [Tavus](https://docs.pipecat.ai/server/services/video/tavus), [Simli](https://docs.pipecat.ai/server/services/video/simli)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
-| Memory              | [mem0](https://docs.pipecat.ai/server/services/memory/mem0)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
-| Vision & Image      | [fal](https://docs.pipecat.ai/server/services/image-generation/fal), [Google Imagen](https://docs.pipecat.ai/server/services/image-generation/fal), [Moondream](https://docs.pipecat.ai/server/services/vision/moondream)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
-| Audio Processing    | [Silero VAD](https://docs.pipecat.ai/server/utilities/audio/silero-vad-analyzer), [Krisp](https://docs.pipecat.ai/server/utilities/audio/krisp-filter), [Koala](https://docs.pipecat.ai/server/utilities/audio/koala-filter), [ai-coustics](https://docs.pipecat.ai/server/utilities/audio/aic-filter)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
-| Analytics & Metrics | [OpenTelemetry](https://docs.pipecat.ai/server/utilities/opentelemetry), [Sentry](https://docs.pipecat.ai/server/services/analytics/sentry)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
+| Speech-to-Speech    | [AWS Nova Sonic](https://docs.pipecat.ai/server/services/s2s/aws), [Gemini Multimodal Live](https://docs.pipecat.ai/server/services/s2s/gemini), [OpenAI Realtime](https://docs.pipecat.ai/server/services/s2s/openai)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
+| Transport           | [Daily (WebRTC)](https://docs.pipecat.ai/server/services/transport/daily), [FastAPI Websocket](https://docs.pipecat.ai/server/services/transport/fastapi-websocket), [SmallWebRTCTransport](https://docs.pipecat.ai/server/services/transport/small-webrtc), [WebSocket Server](https://docs.pipecat.ai/server/services/transport/websocket-server), Local                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
+| Serializers         | [Plivo](https://docs.pipecat.ai/server/utilities/serializers/plivo), [Twilio](https://docs.pipecat.ai/server/utilities/serializers/twilio), [Telnyx](https://docs.pipecat.ai/server/utilities/serializers/telnyx)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
+| Video               | [HeyGen](https://docs.pipecat.ai/server/services/video/heygen), [Tavus](https://docs.pipecat.ai/server/services/video/tavus), [Simli](https://docs.pipecat.ai/server/services/video/simli)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
+| Memory              | [mem0](https://docs.pipecat.ai/server/services/memory/mem0)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
+| Vision & Image      | [fal](https://docs.pipecat.ai/server/services/image-generation/fal), [Google Imagen](https://docs.pipecat.ai/server/services/image-generation/fal), [Moondream](https://docs.pipecat.ai/server/services/vision/moondream)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
+| Audio Processing    | [Silero VAD](https://docs.pipecat.ai/server/utilities/audio/silero-vad-analyzer), [Krisp](https://docs.pipecat.ai/server/utilities/audio/krisp-filter), [Koala](https://docs.pipecat.ai/server/utilities/audio/koala-filter), [ai-coustics](https://docs.pipecat.ai/server/utilities/audio/aic-filter)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
+| Analytics & Metrics | [OpenTelemetry](https://docs.pipecat.ai/server/utilities/opentelemetry), [Sentry](https://docs.pipecat.ai/server/services/analytics/sentry)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
 
 📚 [View full services documentation →](https://docs.pipecat.ai/server/services/supported-services)
 

examples/foundational/07-interruptible.py

@@ -21,8 +21,8 @@ from pipecat.processors.aggregators.llm_context import LLMContext
 from pipecat.processors.aggregators.llm_response_universal import LLMContextAggregatorPair
 from pipecat.runner.types import RunnerArguments
 from pipecat.runner.utils import create_transport
-from pipecat.services.cartesia.stt import CartesiaSTTService
 from pipecat.services.cartesia.tts import CartesiaTTSService
+from pipecat.services.deepgram.stt import DeepgramSTTService
 from pipecat.services.openai.llm import OpenAILLMService
 from pipecat.transports.base_transport import BaseTransport, TransportParams
 from pipecat.transports.daily.transport import DailyParams
@@ -58,7 +58,7 @@ transport_params = {
 async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     logger.info(f"Starting bot")
 
-    stt = CartesiaSTTService(api_key=os.getenv("CARTESIA_API_KEY"))
+    stt = DeepgramSTTService(api_key=os.getenv("DEEPGRAM_API_KEY"))
 
     tts = CartesiaTTSService(
         api_key=os.getenv("CARTESIA_API_KEY"),

examples/foundational/13f-cartesia-transcription.py

@@ -48,7 +48,10 @@ transport_params = {
 async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     logger.info(f"Starting bot")
 
-    stt = CartesiaSTTService(api_key=os.getenv("CARTESIA_API_KEY"))
+    stt = CartesiaSTTService(
+        api_key=os.getenv("CARTESIA_API_KEY"),
+        base_url=os.getenv("CARTESIA_BASE_URL"),
+    )
 
     tl = TranscriptionLogger()
 

examples/foundational/14x-function-calling-openpipe.py

@@ -1,182 +0,0 @@
-#
-# Copyright (c) 2024–2025, Daily
-#
-# SPDX-License-Identifier: BSD 2-Clause License
-#
-
-import os
-import time
-
-from dotenv import load_dotenv
-from loguru import logger
-
-from pipecat.adapters.schemas.function_schema import FunctionSchema
-from pipecat.adapters.schemas.tools_schema import ToolsSchema
-from pipecat.audio.turn.smart_turn.base_smart_turn import SmartTurnParams
-from pipecat.audio.turn.smart_turn.local_smart_turn_v3 import LocalSmartTurnAnalyzerV3
-from pipecat.audio.vad.silero import SileroVADAnalyzer
-from pipecat.audio.vad.vad_analyzer import VADParams
-from pipecat.frames.frames import LLMRunFrame, TTSSpeakFrame
-from pipecat.pipeline.pipeline import Pipeline
-from pipecat.pipeline.runner import PipelineRunner
-from pipecat.pipeline.task import PipelineParams, PipelineTask
-from pipecat.processors.aggregators.llm_context import LLMContext
-from pipecat.processors.aggregators.llm_response_universal import LLMContextAggregatorPair
-from pipecat.runner.types import RunnerArguments
-from pipecat.runner.utils import create_transport
-from pipecat.services.cartesia.tts import CartesiaTTSService
-from pipecat.services.deepgram.stt import DeepgramSTTService
-from pipecat.services.llm_service import FunctionCallParams
-from pipecat.services.openpipe.llm import OpenPipeLLMService
-from pipecat.transports.base_transport import BaseTransport, TransportParams
-from pipecat.transports.daily.transport import DailyParams
-from pipecat.transports.websocket.fastapi import FastAPIWebsocketParams
-
-load_dotenv(override=True)
-
-
-async def fetch_weather_from_api(params: FunctionCallParams):
-    await params.result_callback({"conditions": "nice", "temperature": "75"})
-
-
-async def fetch_restaurant_recommendation(params: FunctionCallParams):
-    await params.result_callback({"name": "The Golden Dragon"})
-
-
-# We store functions so objects (e.g. SileroVADAnalyzer) don't get
-# instantiated. The function will be called when the desired transport gets
-# selected.
-transport_params = {
-    "daily": lambda: DailyParams(
-        audio_in_enabled=True,
-        audio_out_enabled=True,
-        vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.2)),
-        turn_analyzer=LocalSmartTurnAnalyzerV3(params=SmartTurnParams()),
-    ),
-    "twilio": lambda: FastAPIWebsocketParams(
-        audio_in_enabled=True,
-        audio_out_enabled=True,
-        vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.2)),
-        turn_analyzer=LocalSmartTurnAnalyzerV3(params=SmartTurnParams()),
-    ),
-    "webrtc": lambda: TransportParams(
-        audio_in_enabled=True,
-        audio_out_enabled=True,
-        vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.2)),
-        turn_analyzer=LocalSmartTurnAnalyzerV3(params=SmartTurnParams()),
-    ),
-}
-
-
-async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
-    logger.info(f"Starting bot")
-
-    stt = DeepgramSTTService(api_key=os.getenv("DEEPGRAM_API_KEY"))
-
-    tts = CartesiaTTSService(
-        api_key=os.getenv("CARTESIA_API_KEY"),
-        voice_id="71a7ad14-091c-4e8e-a314-022ece01c121",  # British Reading Lady
-    )
-
-    timestamp = int(time.time())
-    llm = OpenPipeLLMService(
-        api_key=os.getenv("OPENAI_API_KEY"),
-        openpipe_api_key=os.getenv("OPENPIPE_API_KEY"),
-        tags={"conversation_id": f"pipecat-{timestamp}"},
-    )
-
-    # You can also register a function_name of None to get all functions
-    # sent to the same callback with an additional function_name parameter.
-    llm.register_function("get_current_weather", fetch_weather_from_api)
-    llm.register_function("get_restaurant_recommendation", fetch_restaurant_recommendation)
-
-    @llm.event_handler("on_function_calls_started")
-    async def on_function_calls_started(service, function_calls):
-        await tts.queue_frame(TTSSpeakFrame("Let me check on that."))
-
-    weather_function = FunctionSchema(
-        name="get_current_weather",
-        description="Get the current weather",
-        properties={
-            "location": {
-                "type": "string",
-                "description": "The city and state, e.g. San Francisco, CA",
-            },
-            "format": {
-                "type": "string",
-                "enum": ["celsius", "fahrenheit"],
-                "description": "The temperature unit to use. Infer this from the user's location.",
-            },
-        },
-        required=["location", "format"],
-    )
-    restaurant_function = FunctionSchema(
-        name="get_restaurant_recommendation",
-        description="Get a restaurant recommendation",
-        properties={
-            "location": {
-                "type": "string",
-                "description": "The city and state, e.g. San Francisco, CA",
-            },
-        },
-        required=["location"],
-    )
-    tools = ToolsSchema(standard_tools=[weather_function, restaurant_function])
-
-    messages = [
-        {
-            "role": "system",
-            "content": "You are a helpful LLM in a WebRTC call. Your goal is to demonstrate your capabilities in a succinct way. Your output will be converted to audio so don't include special characters in your answers. Respond to what the user said in a creative and helpful way.",
-        },
-    ]
-
-    context = LLMContext(messages, tools)
-    context_aggregator = LLMContextAggregatorPair(context)
-
-    pipeline = Pipeline(
-        [
-            transport.input(),
-            stt,
-            context_aggregator.user(),
-            llm,
-            tts,
-            transport.output(),
-            context_aggregator.assistant(),
-        ]
-    )
-
-    task = PipelineTask(
-        pipeline,
-        params=PipelineParams(
-            enable_metrics=True,
-            enable_usage_metrics=True,
-        ),
-        idle_timeout_secs=runner_args.pipeline_idle_timeout_secs,
-    )
-
-    @transport.event_handler("on_client_connected")
-    async def on_client_connected(transport, client):
-        logger.info(f"Client connected")
-        # Kick off the conversation.
-        await task.queue_frames([LLMRunFrame()])
-
-    @transport.event_handler("on_client_disconnected")
-    async def on_client_disconnected(transport, client):
-        logger.info(f"Client disconnected")
-        await task.cancel()
-
-    runner = PipelineRunner(handle_sigint=runner_args.handle_sigint)
-
-    await runner.run(task)
-
-
-async def bot(runner_args: RunnerArguments):
-    """Main bot entry point compatible with Pipecat Cloud."""
-    transport = await create_transport(runner_args, transport_params)
-    await run_bot(transport, runner_args)
-
-
-if __name__ == "__main__":
-    from pipecat.runner.run import main
-
-    main()

examples/foundational/18-openai-realtime-usage.py

@@ -0,0 +1,156 @@
+#
+# Copyright (c) 2024–2025, Daily
+#
+# SPDX-License-Identifier: BSD 2-Clause License
+#
+
+"""Example: Print OpenAI Realtime API Token Usage Statistics
+
+This example demonstrates how to access and print token usage statistics
+from the OpenAI Realtime API, including detailed breakdowns of input/output
+tokens, cached tokens, and audio/text token usage.
+"""
+
+import os
+
+from dotenv import load_dotenv
+from loguru import logger
+
+from pipecat.audio.vad.silero import SileroVADAnalyzer
+from pipecat.audio.vad.vad_analyzer import VADParams
+from pipecat.pipeline.pipeline import Pipeline
+from pipecat.pipeline.runner import PipelineRunner
+from pipecat.pipeline.task import PipelineParams, PipelineTask
+from pipecat.runner.types import RunnerArguments
+from pipecat.runner.utils import create_transport
+from pipecat.services.openai.realtime.llm import OpenAIRealtimeLLMService
+from pipecat.transports.base_transport import BaseTransport, TransportParams
+from pipecat.transports.daily.transport import DailyParams
+from pipecat.transports.websocket.fastapi import FastAPIWebsocketParams
+
+load_dotenv(override=True)
+
+# We store functions so objects don't get instantiated until the desired
+# transport gets selected.
+transport_params = {
+    "daily": lambda: DailyParams(
+        audio_in_enabled=True,
+        audio_out_enabled=True,
+        vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.2)),
+    ),
+    "twilio": lambda: FastAPIWebsocketParams(
+        audio_in_enabled=True,
+        audio_out_enabled=True,
+        vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.2)),
+    ),
+    "webrtc": lambda: TransportParams(
+        audio_in_enabled=True,
+        audio_out_enabled=True,
+        vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.2)),
+    ),
+}
+
+
+async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
+    """Main function demonstrating usage statistics tracking."""
+    logger.info(f"Starting bot")
+
+    # Initialize the OpenAI Realtime service
+    llm = OpenAIRealtimeLLMService(
+        api_key=os.getenv("OPENAI_API_KEY") or "",
+        model="gpt-4o-realtime-preview-2024-12-17",
+    )
+
+    # To access usage statistics, we wrap the internal response handler
+    # This is the cleanest way to intercept usage data from the realtime API
+    original_handler = llm._handle_evt_response_done
+
+    async def custom_response_done_handler(evt):
+        """Custom handler that prints usage stats before calling original handler."""
+        # Print usage statistics if available
+        if evt.response.usage:
+            usage = evt.response.usage
+
+            logger.info("\n" + "=" * 50)
+            logger.info("📊 TOKEN USAGE STATISTICS")
+            logger.info("=" * 50)
+            logger.info(f"Total tokens: {usage.total_tokens}")
+            logger.info(f"Input tokens: {usage.input_tokens}")
+            logger.info(f"Output tokens: {usage.output_tokens}")
+
+            # Input token details
+            if usage.input_token_details:
+                logger.info(f"\n📥 Input token breakdown:")
+                logger.info(f"  • Cached tokens: {usage.input_token_details.cached_tokens}")
+                logger.info(f"  • Text tokens: {usage.input_token_details.text_tokens}")
+                logger.info(f"  • Audio tokens: {usage.input_token_details.audio_tokens}")
+
+                # Cached token details if available
+                if usage.input_token_details.cached_tokens_details:
+                    logger.info(
+                        f"  • Cached text tokens: {usage.input_token_details.cached_tokens_details.text_tokens}"
+                    )
+                    logger.info(
+                        f"  • Cached audio tokens: {usage.input_token_details.cached_tokens_details.audio_tokens}"
+                    )
+
+            # Output token details
+            if usage.output_token_details:
+                logger.info(f"\n📤 Output token breakdown:")
+                logger.info(f"  • Text tokens: {usage.output_token_details.text_tokens}")
+                logger.info(f"  • Audio tokens: {usage.output_token_details.audio_tokens}")
+
+            logger.info("=" * 50 + "\n")
+
+        # Call the original handler to maintain normal functionality
+        await original_handler(evt)
+
+    # Replace the handler with our custom one
+    llm._handle_evt_response_done = custom_response_done_handler
+
+    # Create pipeline
+    pipeline = Pipeline(
+        [
+            transport.input(),
+            llm,
+            transport.output(),
+        ]
+    )
+
+    # Create task
+    task = PipelineTask(
+        pipeline,
+        params=PipelineParams(
+            allow_interruptions=True,
+            enable_metrics=True,
+            enable_usage_metrics=True,
+        ),
+        idle_timeout_secs=runner_args.pipeline_idle_timeout_secs,
+    )
+
+    @transport.event_handler("on_client_connected")
+    async def on_client_connected(transport, client):
+        logger.info("Client connected")
+        logger.info("🎤 Speak into your microphone to interact with the assistant")
+        logger.info("📊 Usage statistics will be printed after each response")
+
+    @transport.event_handler("on_client_disconnected")
+    async def on_client_disconnected(transport, client):
+        logger.info("Client disconnected")
+        await task.cancel()
+
+    runner = PipelineRunner(handle_sigint=runner_args.handle_sigint)
+
+    await runner.run(task)
+
+
+async def bot(runner_args: RunnerArguments):
+    """Main bot entry point compatible with Pipecat Cloud."""
+    transport = await create_transport(runner_args, transport_params)
+    await run_bot(transport, runner_args)
+
+
+if __name__ == "__main__":
+    from pipecat.runner.run import main
+
+    main()

examples/foundational/20c-persistent-context-anthropic.py

@@ -72,6 +72,7 @@ async def save_conversation(params: FunctionCallParams):
     )
     try:
         with open(filename, "w") as file:
+            # todo: extract 'system' into the first message in the list
             messages = params.context.get_messages()
             # remove the last message, which is the instruction we just gave to save the conversation
             messages.pop()

examples/foundational/20d-persistent-context-gemini.py

@@ -90,6 +90,7 @@ async def save_conversation(params: FunctionCallParams):
     )
     try:
         with open(filename, "w") as file:
+            # todo: extract 'system' into the first message in the list
             messages = params.context.get_messages()
             # remove the last message (the instruction to save the context)
             messages.pop()

examples/foundational/20e-persistent-context-aws-nova-sonic.py

@@ -20,8 +20,6 @@ from pipecat.frames.frames import LLMRunFrame
 from pipecat.pipeline.pipeline import Pipeline
 from pipecat.pipeline.runner import PipelineRunner
 from pipecat.pipeline.task import PipelineParams, PipelineTask
-from pipecat.processors.aggregators.llm_context import LLMContext
-from pipecat.processors.aggregators.llm_response_universal import LLMContextAggregatorPair
 from pipecat.processors.aggregators.openai_llm_context import OpenAILLMContext
 from pipecat.runner.types import RunnerArguments
 from pipecat.runner.utils import create_transport
@@ -77,7 +75,7 @@ async def save_conversation(params: FunctionCallParams):
     filename = f"{BASE_FILENAME}{timestamp}.json"
     try:
         with open(filename, "w") as file:
-            messages = params.context.get_messages()
+            messages = params.context.get_messages_for_persistent_storage()
             # remove the last few messages. in reverse order, they are:
             # - the in progress save tool call
             # - the invocation of the save tool call
@@ -225,13 +223,13 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     llm.register_function("get_saved_conversation_filenames", get_saved_conversation_filenames)
     llm.register_function("load_conversation", load_conversation)
 
-    context = LLMContext(
+    context = OpenAILLMContext(
         messages=[
             {"role": "system", "content": f"{system_instruction}"},
         ],
         tools=tools,
     )
-    context_aggregator = LLMContextAggregatorPair(context)
+    context_aggregator = llm.create_context_aggregator(context)
 
     pipeline = Pipeline(
         [

examples/foundational/40-aws-nova-sonic.py

@@ -18,8 +18,7 @@ from pipecat.frames.frames import LLMRunFrame
 from pipecat.pipeline.pipeline import Pipeline
 from pipecat.pipeline.runner import PipelineRunner
 from pipecat.pipeline.task import PipelineParams, PipelineTask
-from pipecat.processors.aggregators.llm_context import LLMContext
-from pipecat.processors.aggregators.llm_response_universal import LLMContextAggregatorPair
+from pipecat.processors.aggregators.openai_llm_context import OpenAILLMContext
 from pipecat.runner.types import RunnerArguments
 from pipecat.runner.utils import create_transport
 from pipecat.services.aws.nova_sonic.llm import AWSNovaSonicLLMService
@@ -120,7 +119,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     llm.register_function("get_current_weather", fetch_weather_from_api)
 
     # Set up context and context management.
-    context = LLMContext(
+    # AWSNovaSonicService will adapt OpenAI LLM context objects with standard message format to
+    # what's expected by Nova Sonic.
+    context = OpenAILLMContext(
         messages=[
             {"role": "system", "content": f"{system_instruction}"},
             {
@@ -130,7 +131,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
         ],
         tools=tools,
     )
-    context_aggregator = LLMContextAggregatorPair(context)
+    context_aggregator = llm.create_context_aggregator(context)
 
     # Build the pipeline
     pipeline = Pipeline(

examples/foundational/47-sentry-metrics.py

@@ -1,142 +0,0 @@
-#
-# Copyright (c) 2024–2025, Daily
-#
-# SPDX-License-Identifier: BSD 2-Clause License
-#
-
-import os
-
-import sentry_sdk
-from dotenv import load_dotenv
-from loguru import logger
-
-from pipecat.audio.turn.smart_turn.base_smart_turn import SmartTurnParams
-from pipecat.audio.turn.smart_turn.local_smart_turn_v3 import LocalSmartTurnAnalyzerV3
-from pipecat.audio.vad.silero import SileroVADAnalyzer
-from pipecat.audio.vad.vad_analyzer import VADParams
-from pipecat.frames.frames import LLMRunFrame
-from pipecat.pipeline.pipeline import Pipeline
-from pipecat.pipeline.runner import PipelineRunner
-from pipecat.pipeline.task import PipelineParams, PipelineTask
-from pipecat.processors.aggregators.llm_context import LLMContext
-from pipecat.processors.aggregators.llm_response_universal import LLMContextAggregatorPair
-from pipecat.processors.metrics.sentry import SentryMetrics
-from pipecat.runner.types import RunnerArguments
-from pipecat.runner.utils import create_transport
-from pipecat.services.cartesia.tts import CartesiaTTSService
-from pipecat.services.deepgram.stt import DeepgramSTTService
-from pipecat.services.openai.llm import OpenAILLMService
-from pipecat.transports.base_transport import BaseTransport, TransportParams
-from pipecat.transports.daily.transport import DailyParams
-from pipecat.transports.websocket.fastapi import FastAPIWebsocketParams
-
-load_dotenv(override=True)
-
-# We store functions so objects (e.g. SileroVADAnalyzer) don't get
-# instantiated. The function will be called when the desired transport gets
-# selected.
-transport_params = {
-    "daily": lambda: DailyParams(
-        audio_in_enabled=True,
-        audio_out_enabled=True,
-        vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.2)),
-        turn_analyzer=LocalSmartTurnAnalyzerV3(params=SmartTurnParams()),
-    ),
-    "twilio": lambda: FastAPIWebsocketParams(
-        audio_in_enabled=True,
-        audio_out_enabled=True,
-        vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.2)),
-        turn_analyzer=LocalSmartTurnAnalyzerV3(params=SmartTurnParams()),
-    ),
-    "webrtc": lambda: TransportParams(
-        audio_in_enabled=True,
-        audio_out_enabled=True,
-        vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.2)),
-        turn_analyzer=LocalSmartTurnAnalyzerV3(params=SmartTurnParams()),
-    ),
-}
-
-
-async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
-    logger.info(f"Starting bot")
-
-    # Initialize Sentry
-    sentry_sdk.init(
-        dsn=os.getenv("SENTRY_DSN"),
-        traces_sample_rate=1.0,
-    )
-
-    stt = DeepgramSTTService(
-        api_key=os.getenv("DEEPGRAM_API_KEY"),
-        metrics=SentryMetrics(),
-    )
-
-    tts = CartesiaTTSService(
-        api_key=os.getenv("CARTESIA_API_KEY"),
-        voice_id="71a7ad14-091c-4e8e-a314-022ece01c121",  # British Reading Lady
-        metrics=SentryMetrics(),
-    )
-
-    llm = OpenAILLMService(
-        api_key=os.getenv("OPENAI_API_KEY"),
-        metrics=SentryMetrics(),
-    )
-
-    messages = [
-        {
-            "role": "system",
-            "content": "You are a helpful LLM in a WebRTC call. Your goal is to demonstrate your capabilities in a succinct way. Your output will be converted to audio so don't include special characters in your answers. Respond to what the user said in a creative and helpful way.",
-        },
-    ]
-
-    context = LLMContext(messages)
-    context_aggregator = LLMContextAggregatorPair(context)
-
-    pipeline = Pipeline(
-        [
-            transport.input(),  # Transport user input
-            stt,
-            context_aggregator.user(),  # User responses
-            llm,  # LLM
-            tts,  # TTS
-            transport.output(),  # Transport bot output
-            context_aggregator.assistant(),  # Assistant spoken responses
-        ]
-    )
-
-    task = PipelineTask(
-        pipeline,
-        params=PipelineParams(
-            enable_metrics=True,
-            enable_usage_metrics=True,
-        ),
-        idle_timeout_secs=runner_args.pipeline_idle_timeout_secs,
-    )
-
-    @transport.event_handler("on_client_connected")
-    async def on_client_connected(transport, client):
-        logger.info(f"Client connected")
-        # Kick off the conversation.
-        messages.append({"role": "system", "content": "Please introduce yourself to the user."})
-        await task.queue_frames([LLMRunFrame()])
-
-    @transport.event_handler("on_client_disconnected")
-    async def on_client_disconnected(transport, client):
-        logger.info(f"Client disconnected")
-        await task.cancel()
-
-    runner = PipelineRunner(handle_sigint=runner_args.handle_sigint)
-
-    await runner.run(task)
-
-
-async def bot(runner_args: RunnerArguments):
-    """Main bot entry point compatible with Pipecat Cloud."""
-    transport = await create_transport(runner_args, transport_params)
-    await run_bot(transport, runner_args)
-
-
-if __name__ == "__main__":
-    from pipecat.runner.run import main
-
-    main()

pyproject.toml

@@ -34,7 +34,7 @@ dependencies = [
     "pyloudnorm~=0.1.1",
     "resampy~=0.4.3",
     "soxr~=0.5.0",
-    "openai>=1.74.0,<3",
+    "openai>=1.74.0,<=1.99.1",
     # Pinning numba to resolve package dependencies
     "numba==0.61.2",
     "wait_for2>=0.4.1; python_version<'3.12'",
@@ -55,7 +55,7 @@ azure = [ "azure-cognitiveservices-speech~=1.42.0"]
 cartesia = [ "cartesia~=2.0.3", "pipecat-ai[websockets-base]" ]
 cerebras = []
 deepseek = []
-daily = [ "daily-python~=0.20.0" ]
+daily = [ "daily-python~=0.19.9" ]
 deepgram = [ "deepgram-sdk~=4.7.0" ]
 elevenlabs = [ "pipecat-ai[websockets-base]" ]
 fal = [ "fal-client~=0.5.9" ]
@@ -84,7 +84,7 @@ nim = []
 neuphonic = [ "pipecat-ai[websockets-base]" ]
 noisereduce = [ "noisereduce~=3.0.3" ]
 openai = [ "pipecat-ai[websockets-base]" ]
-openpipe = [ "openpipe>=4.50.0,<6" ]
+openpipe = [ "openpipe~=4.50.0" ]
 openrouter = []
 perplexity = []
 playht = [ "pipecat-ai[websockets-base]" ]
@@ -102,7 +102,7 @@ silero = [ "onnxruntime>=1.20.1,<2" ]
 simli = [ "simli-ai~=0.1.10"]
 soniox = [ "pipecat-ai[websockets-base]" ]
 soundfile = [ "soundfile~=0.13.0" ]
-speechmatics = [ "speechmatics-rt>=0.5.0" ]
+speechmatics = [ "speechmatics-rt>=0.4.0" ]
 strands = [ "strands-agents>=1.9.1,<2" ]
 tavus=[]
 together = []

scripts/evals/run-release-evals.py

@@ -136,7 +136,6 @@ TESTS_14 = [
     ("14r-function-calling-aws.py", PROMPT_WEATHER, EVAL_WEATHER, BOT_SPEAKS_FIRST),
     ("14v-function-calling-openai.py", PROMPT_WEATHER, EVAL_WEATHER, BOT_SPEAKS_FIRST),
     ("14w-function-calling-mistral.py", PROMPT_WEATHER, EVAL_WEATHER, BOT_SPEAKS_FIRST),
-    ("14x-function-calling-openpipe.py", PROMPT_WEATHER, EVAL_WEATHER, BOT_SPEAKS_FIRST),
     # Currently not working.
     # ("14c-function-calling-together.py", PROMPT_WEATHER, EVAL_WEATHER, BOT_SPEAKS_FIRST),
     # ("14l-function-calling-deepseek.py", PROMPT_WEATHER, EVAL_WEATHER, BOT_SPEAKS_FIRST),

src/pipecat/adapters/services/aws_nova_sonic_adapter.py

@@ -6,47 +6,13 @@
 
 """AWS Nova Sonic LLM adapter for Pipecat."""
 
-import copy
 import json
-from dataclasses import dataclass
-from enum import Enum
-from typing import Any, Dict, List, Optional, TypedDict
-
-from loguru import logger
+from typing import Any, Dict, List, TypedDict
 
 from pipecat.adapters.base_llm_adapter import BaseLLMAdapter
 from pipecat.adapters.schemas.function_schema import FunctionSchema
 from pipecat.adapters.schemas.tools_schema import ToolsSchema
-from pipecat.processors.aggregators.llm_context import LLMContext, LLMContextMessage
-
-
-class Role(Enum):
-    """Roles supported in AWS Nova Sonic conversations.
-
-    Parameters:
-        SYSTEM: System-level messages (not used in conversation history).
-        USER: Messages sent by the user.
-        ASSISTANT: Messages sent by the assistant.
-        TOOL: Messages sent by tools (not used in conversation history).
-    """
-
-    SYSTEM = "SYSTEM"
-    USER = "USER"
-    ASSISTANT = "ASSISTANT"
-    TOOL = "TOOL"
-
-
-@dataclass
-class AWSNovaSonicConversationHistoryMessage:
-    """A single message in AWS Nova Sonic conversation history.
-
-    Parameters:
-        role: The role of the message sender (USER or ASSISTANT only).
-        text: The text content of the message.
-    """
-
-    role: Role  # only USER and ASSISTANT
-    text: str
+from pipecat.processors.aggregators.llm_context import LLMContext
 
 
 class AWSNovaSonicLLMInvocationParams(TypedDict):
@@ -55,9 +21,7 @@ class AWSNovaSonicLLMInvocationParams(TypedDict):
     This is a placeholder until support for universal LLMContext machinery is added for AWS Nova Sonic.
     """
 
-    system_instruction: Optional[str]
-    messages: List[AWSNovaSonicConversationHistoryMessage]
-    tools: List[Dict[str, Any]]
+    pass
 
 
 class AWSNovaSonicLLMAdapter(BaseLLMAdapter[AWSNovaSonicLLMInvocationParams]):
@@ -70,7 +34,7 @@ class AWSNovaSonicLLMAdapter(BaseLLMAdapter[AWSNovaSonicLLMInvocationParams]):
     @property
     def id_for_llm_specific_messages(self) -> str:
         """Get the identifier used in LLMSpecificMessage instances for AWS Nova Sonic."""
-        return "aws-nova-sonic"
+        raise NotImplementedError("Universal LLMContext is not yet supported for AWS Nova Sonic.")
 
     def get_llm_invocation_params(self, context: LLMContext) -> AWSNovaSonicLLMInvocationParams:
         """Get AWS Nova Sonic-specific LLM invocation parameters from a universal LLM context.
@@ -83,13 +47,7 @@ class AWSNovaSonicLLMAdapter(BaseLLMAdapter[AWSNovaSonicLLMInvocationParams]):
         Returns:
             Dictionary of parameters for invoking AWS Nova Sonic's LLM API.
         """
-        messages = self._from_universal_context_messages(self.get_messages(context))
-        return {
-            "system_instruction": messages.system_instruction,
-            "messages": messages.messages,
-            # NOTE: LLMContext's tools are guaranteed to be a ToolsSchema (or NOT_GIVEN)
-            "tools": self.from_standard_tools(context.tools) or [],
-        }
+        raise NotImplementedError("Universal LLMContext is not yet supported for AWS Nova Sonic.")
 
     def get_messages_for_logging(self, context) -> List[Dict[str, Any]]:
         """Get messages from a universal LLM context in a format ready for logging about AWS Nova Sonic.
@@ -104,75 +62,7 @@ class AWSNovaSonicLLMAdapter(BaseLLMAdapter[AWSNovaSonicLLMInvocationParams]):
         Returns:
             List of messages in a format ready for logging about AWS Nova Sonic.
         """
-        return self._from_universal_context_messages(self.get_messages(context)).messages
-
-    @dataclass
-    class ConvertedMessages:
-        """Container for Google-formatted messages converted from universal context."""
-
-        messages: List[AWSNovaSonicConversationHistoryMessage]
-        system_instruction: Optional[str] = None
-
-    def _from_universal_context_messages(
-        self, universal_context_messages: List[LLMContextMessage]
-    ) -> ConvertedMessages:
-        system_instruction = None
-        messages = []
-
-        # Bail if there are no messages
-        if not universal_context_messages:
-            return self.ConvertedMessages()
-
-        universal_context_messages = copy.deepcopy(universal_context_messages)
-
-        # If we have a "system" message as our first message, let's pull that out into "instruction"
-        if universal_context_messages[0].get("role") == "system":
-            system = universal_context_messages.pop(0)
-            content = system.get("content")
-            if isinstance(content, str):
-                system_instruction = content
-            elif isinstance(content, list):
-                system_instruction = content[0].get("text")
-            if system_instruction:
-                self._system_instruction = system_instruction
-
-        # Process remaining messages to fill out conversation history.
-        # Nova Sonic supports "user" and "assistant" messages in history.
-        for universal_context_message in universal_context_messages:
-            message = self._from_universal_context_message(universal_context_message)
-            if message:
-                messages.append(message)
-
-        return self.ConvertedMessages(messages=messages, system_instruction=system_instruction)
-
-    def _from_universal_context_message(self, message) -> AWSNovaSonicConversationHistoryMessage:
-        """Convert standard message format to Nova Sonic format.
-
-        Args:
-            message: Standard message dictionary to convert.
-
-        Returns:
-            Nova Sonic conversation history message, or None if not convertible.
-        """
-        role = message.get("role")
-        if message.get("role") == "user" or message.get("role") == "assistant":
-            content = message.get("content")
-            if isinstance(message.get("content"), list):
-                content = ""
-                for c in message.get("content"):
-                    if c.get("type") == "text":
-                        content += " " + c.get("text")
-                    else:
-                        logger.error(
-                            f"Unhandled content type in context message: {c.get('type')} - {message}"
-                        )
-            # There won't be content if this is an assistant tool call entry.
-            # We're ignoring those since they can't be loaded into AWS Nova Sonic conversation
-            # history
-            if content:
-                return AWSNovaSonicConversationHistoryMessage(role=Role[role.upper()], text=content)
-        # NOTE: we're ignoring messages with role "tool" since they can't be loaded into AWS Nova
-        # Sonic conversation history
+        raise NotImplementedError("Universal LLMContext is not yet supported for AWS Nova Sonic.")
 
     @staticmethod
     def _to_aws_nova_sonic_function_format(function: FunctionSchema) -> Dict[str, Any]:

src/pipecat/pipeline/runner.py

@@ -70,15 +70,11 @@ class PipelineRunner(BaseObject):
         """
         logger.debug(f"Runner {self} started running {task}")
         self._tasks[task.name] = task
-
-        # PipelineTask handles asyncio.CancelledError to shutdown the pipeline
-        # properly and re-raises it in case there's more cleanup to do.
+        params = PipelineTaskParams(loop=self._loop)
         try:
-            params = PipelineTaskParams(loop=self._loop)
             await task.run(params)
         except asyncio.CancelledError:
-            pass
-
+            await self._cancel()
         del self._tasks[task.name]
 
         # Cleanup base object.

src/pipecat/pipeline/task.py

@@ -269,9 +269,6 @@ class PipelineTask(BasePipelineTask):
         # StopFrame) has been received at the end of the pipeline.
         self._pipeline_end_event = asyncio.Event()
 
-        # This event is set when the pipeline truly finishes.
-        self._pipeline_finished_event = asyncio.Event()
-
         # This is the final pipeline. It is composed of a source processor,
         # followed by the user pipeline, and ending with a sink processor. The
         # source allows us to receive and react to upstream frames, and the sink
@@ -404,7 +401,11 @@ class PipelineTask(BasePipelineTask):
         await self.queue_frame(EndFrame())
 
     async def cancel(self):
-        """Request the running pipeline to cancel."""
+        """Immediately stop the running pipeline.
+
+        Cancels all running tasks and stops frame processing without
+        waiting for completion.
+        """
         if not self._finished:
             await self._cancel()
 
@@ -416,38 +417,51 @@ class PipelineTask(BasePipelineTask):
         """
         if self.has_finished():
             return
-
-        # Setup processors.
-        await self._setup(params)
-
-        # Create all main tasks and wait for the main push task. This is the
-        # task that pushes frames to the very beginning of our pipeline (i.e. to
-        # our controlled source processor).
-        await self._create_tasks()
-
+        cleanup_pipeline = True
         try:
-            # Wait for pipeline to finish.
-            await self._wait_for_pipeline_finished()
+            # Setup processors.
+            await self._setup(params)
+
+            # Create all main tasks and wait of the main push task. This is the
+            # task that pushes frames to the very beginning of our pipeline (our
+            # controlled source processor).
+            push_task = await self._create_tasks()
+            await push_task
+
+            # We have already cleaned up the pipeline inside the task.
+            cleanup_pipeline = False
+
+            # Pipeline has finished nicely.
+            self._finished = True
         except asyncio.CancelledError:
-            logger.debug(f"Pipeline task {self} got cancelled from outside...")
-            # We have been cancelled from outside, let's just cancel everything.
-            await self._cancel()
-            # Wait again for pipeline to finish. This time we have really
-            # cancelled, so it should really finish.
-            await self._wait_for_pipeline_finished()
-            # Re-raise in case there's more cleanup to do.
+            # Raise exception back to the pipeline runner so it can cancel this
+            # task properly.
             raise
         finally:
             # We can reach this point for different reasons:
             #
-            # 1. The pipeline task has finished (try case).
-            # 2. By an asyncio task cancellation (except case).
-            logger.debug(f"Pipeline task {self} is finishing...")
-            await self._cancel_tasks()
-            if self._check_dangling_tasks:
-                self._print_dangling_tasks()
-            self._finished = True
-            logger.debug(f"Pipeline task {self} has finished")
+            # 1. The task has finished properly (e.g. `EndFrame`).
+            # 2. By calling `PipelineTask.cancel()`.
+            # 3. By asyncio task cancellation.
+            #
+            # Case (1) will execute the code below without issues because
+            # `self._finished` is true.
+            #
+            # Case (2) will execute the code below without issues because
+            # `self._cancelled` is true.
+            #
+            # Case (3) will raise the exception above (because we are cancelling
+            # the asyncio task). This will be then captured by the
+            # `PipelineRunner` which will call `PipelineTask.cancel()` and
+            # therefore becoming case (2).
+            if self._finished or self._cancelled:
+                logger.debug(f"Pipeline task {self} is finishing cleanup...")
+                await self._cancel_tasks()
+                await self._cleanup(cleanup_pipeline)
+                if self._check_dangling_tasks:
+                    self._print_dangling_tasks()
+                self._finished = True
+                logger.debug(f"Pipeline task {self} has finished")
 
     async def queue_frame(self, frame: Frame):
         """Queue a single frame to be pushed down the pipeline.
@@ -475,7 +489,19 @@ class PipelineTask(BasePipelineTask):
         if not self._cancelled:
             logger.debug(f"Cancelling pipeline task {self}")
             self._cancelled = True
-            await self.queue_frame(CancelFrame())
+            cancel_frame = CancelFrame()
+            # Make sure everything is cleaned up downstream. This is sent
+            # out-of-band from the main streaming task which is what we want since
+            # we want to cancel right away.
+            await self._pipeline.queue_frame(cancel_frame)
+            # Wait for CancelFrame to make it through the pipeline.
+            await self._wait_for_pipeline_end(cancel_frame)
+            # Only cancel the push task, we don't want to be able to process any
+            # other frame after cancel. Everything else will be cancelled in
+            # run().
+            if self._process_push_task:
+                await self._task_manager.cancel_task(self._process_push_task)
+                self._process_push_task = None
 
     async def _create_tasks(self):
         """Create and start all pipeline processing tasks."""
@@ -577,17 +603,6 @@ class PipelineTask(BasePipelineTask):
 
         self._pipeline_end_event.clear()
 
-        # We are really done.
-        self._pipeline_finished_event.set()
-
-    async def _wait_for_pipeline_finished(self):
-        await self._pipeline_finished_event.wait()
-        self._pipeline_finished_event.clear()
-        # Make sure we wait for the main task to complete.
-        if self._process_push_task:
-            await self._process_push_task
-            self._process_push_task = None
-
     async def _setup(self, params: PipelineTaskParams):
         """Set up the pipeline task and all processors."""
         mgr_params = TaskManagerParams(loop=params.loop)

src/pipecat/processors/aggregators/llm_context.py

@@ -15,10 +15,9 @@ service-specific adapter.
 """
 
 import base64
-import copy
 import io
 from dataclasses import dataclass
-from typing import TYPE_CHECKING, Any, List, Optional, TypeAlias, Union
+from typing import Any, List, Optional, TypeAlias, Union
 
 from loguru import logger
 from openai._types import NOT_GIVEN as OPEN_AI_NOT_GIVEN
@@ -32,9 +31,6 @@ from PIL import Image
 from pipecat.adapters.schemas.tools_schema import ToolsSchema
 from pipecat.frames.frames import AudioRawFrame
 
-if TYPE_CHECKING:
-    from pipecat.processors.aggregators.openai_llm_context import OpenAILLMContext
-
 # "Re-export" types from OpenAI that we're using as universal context types.
 # NOTE: if universal message types need to someday diverge from OpenAI's, we
 # should consider managing our own definitions. But we should do so carefully,
@@ -69,26 +65,6 @@ class LLMContext:
     and content formatting.
     """
 
-    @staticmethod
-    def from_openai_context(openai_context: "OpenAILLMContext") -> "LLMContext":
-        """Create a universal LLM context from an OpenAI-specific context.
-
-        NOTE: this should only be used internally, for facilitating migration
-        from OpenAILLMContext to LLMContext. New user code should use
-        LLMContext directly.
-
-        Args:
-            openai_context: The OpenAI LLM context to convert.
-
-        Returns:
-            New LLMContext instance with converted messages and settings.
-        """
-        return LLMContext(
-            messages=openai_context.get_messages(),
-            tools=openai_context.tools,
-            tool_choice=openai_context.tool_choice,
-        )
-
     def __init__(
         self,
         messages: Optional[List[LLMContextMessage]] = None,

src/pipecat/runner/daily.py

@@ -82,7 +82,6 @@ async def configure(
     sip_enable_video: Optional[bool] = False,
     sip_num_endpoints: Optional[int] = 1,
     sip_codecs: Optional[Dict[str, List[str]]] = None,
-    room_properties: Optional[DailyRoomProperties] = None,
 ) -> DailyRoomConfig:
     """Configure Daily room URL and token with optional SIP capabilities.
 
@@ -100,10 +99,6 @@ async def configure(
         sip_num_endpoints: Number of allowed SIP endpoints.
         sip_codecs: Codecs to support for audio and video. If None, uses Daily defaults.
             Example: {"audio": ["OPUS"], "video": ["H264"]}
-        room_properties: Optional DailyRoomProperties to use instead of building from
-            individual parameters. When provided, this overrides room_exp_duration and
-            SIP-related parameters. If not provided, properties are built from the
-            individual parameters as before.
 
     Returns:
         DailyRoomConfig: Object with room_url, token, and optional sip_endpoint.
@@ -120,13 +115,6 @@ async def configure(
         # SIP-enabled room
         sip_config = await configure(session, sip_caller_phone="+15551234567")
         print(f"SIP endpoint: {sip_config.sip_endpoint}")
-
-        # Custom room properties with recording enabled
-        custom_props = DailyRoomProperties(
-            enable_recording="cloud",
-            max_participants=2,
-        )
-        config = await configure(session, room_properties=custom_props)
     """
     # Check for required API key
     api_key = os.getenv("DAILY_API_KEY")
@@ -136,32 +124,9 @@ async def configure(
             "Get your API key from https://dashboard.daily.co/developers"
         )
 
-    # Warn if both room_properties and individual parameters are provided
-    if room_properties is not None:
-        individual_params_provided = any(
-            [
-                room_exp_duration != 2.0,
-                token_exp_duration != 2.0,
-                sip_caller_phone is not None,
-                sip_enable_video is not False,
-                sip_num_endpoints != 1,
-                sip_codecs is not None,
-            ]
-        )
-        if individual_params_provided:
-            logger.warning(
-                "Both room_properties and individual parameters (room_exp_duration, token_exp_duration, "
-                "sip_*) were provided. The room_properties will be used and individual parameters "
-                "will be ignored."
-            )
-
     # Determine if SIP mode is enabled
     sip_enabled = sip_caller_phone is not None
 
-    # If room_properties is provided, check if it has SIP configuration
-    if room_properties and room_properties.sip:
-        sip_enabled = True
-
     daily_rest_helper = DailyRESTHelper(
         daily_api_key=api_key,
         daily_api_url=os.getenv("DAILY_API_URL", "https://api.daily.co/v1"),
@@ -185,29 +150,27 @@ async def configure(
     room_name = f"{room_prefix}-{uuid.uuid4().hex[:8]}"
     logger.info(f"Creating new Daily room: {room_name}")
 
-    # Use provided room_properties or build from parameters
-    if room_properties is None:
-        # Calculate expiration time
-        expiration_time = time.time() + (room_exp_duration * 60 * 60)
+    # Calculate expiration time
+    expiration_time = time.time() + (room_exp_duration * 60 * 60)
 
-        # Create room properties
-        room_properties = DailyRoomProperties(
-            exp=expiration_time,
-            eject_at_room_exp=True,
+    # Create room properties
+    room_properties = DailyRoomProperties(
+        exp=expiration_time,
+        eject_at_room_exp=True,
+    )
+
+    # Add SIP configuration if enabled
+    if sip_enabled:
+        sip_params = DailyRoomSipParams(
+            display_name=sip_caller_phone,
+            video=sip_enable_video,
+            sip_mode="dial-in",
+            num_endpoints=sip_num_endpoints,
+            codecs=sip_codecs,
         )
-
-        # Add SIP configuration if enabled
-        if sip_enabled:
-            sip_params = DailyRoomSipParams(
-                display_name=sip_caller_phone,
-                video=sip_enable_video,
-                sip_mode="dial-in",
-                num_endpoints=sip_num_endpoints,
-                codecs=sip_codecs,
-            )
-            room_properties.sip = sip_params
-            room_properties.enable_dialout = True  # Enable outbound calls if needed
-            room_properties.start_video_off = not sip_enable_video  # Voice-only by default
+        room_properties.sip = sip_params
+        room_properties.enable_dialout = True  # Enable outbound calls if needed
+        room_properties.start_video_off = not sip_enable_video  # Voice-only by default
 
     # Create room parameters
     room_params = DailyRoomParams(name=room_name, properties=room_properties)

src/pipecat/runner/run.py

@@ -70,14 +70,12 @@ import asyncio
 import mimetypes
 import os
 import sys
-import uuid
 from contextlib import asynccontextmanager
-from http import HTTPMethod
 from pathlib import Path
-from typing import Any, Dict, List, Optional, TypedDict
+from typing import Optional
 
 import aiohttp
-from fastapi.responses import FileResponse, Response
+from fastapi.responses import FileResponse
 from loguru import logger
 
 from pipecat.runner.types import (
@@ -168,7 +166,6 @@ def _create_server_app(
     host: str = "localhost",
     proxy: str,
     esp32_mode: bool = False,
-    whatsapp_enabled: bool = False,
     folder: Optional[str] = None,
 ):
     """Create FastAPI app with transport-specific routes."""
@@ -185,8 +182,7 @@ def _create_server_app(
     # Set up transport-specific routes
     if transport_type == "webrtc":
         _setup_webrtc_routes(app, esp32_mode=esp32_mode, host=host, folder=folder)
-        if whatsapp_enabled:
-            _setup_whatsapp_routes(app)
+        _setup_whatsapp_routes(app)
     elif transport_type == "daily":
         _setup_daily_routes(app)
     elif transport_type in TELEPHONY_TRANSPORTS:
@@ -204,10 +200,8 @@ def _setup_webrtc_routes(
     try:
         from pipecat_ai_small_webrtc_prebuilt.frontend import SmallWebRTCPrebuiltUI
 
-        from pipecat.transports.smallwebrtc.connection import IceServer, SmallWebRTCConnection
+        from pipecat.transports.smallwebrtc.connection import SmallWebRTCConnection
         from pipecat.transports.smallwebrtc.request_handler import (
-            IceCandidate,
-            SmallWebRTCPatchRequest,
             SmallWebRTCRequest,
             SmallWebRTCRequestHandler,
         )
@@ -215,16 +209,6 @@ def _setup_webrtc_routes(
         logger.error(f"WebRTC transport dependencies not installed: {e}")
         return
 
-    class IceConfig(TypedDict):
-        iceServers: List[IceServer]
-
-    class StartBotResult(TypedDict, total=False):
-        sessionId: str
-        iceConfig: Optional[IceConfig]
-
-    # In-memory store of active sessions: session_id -> session info
-    active_sessions: Dict[str, Dict[str, Any]] = {}
-
     # Mount the frontend
     app.mount("/client", SmallWebRTCPrebuiltUI)
 
@@ -270,74 +254,6 @@ def _setup_webrtc_routes(
         )
         return answer
 
-    @app.patch("/api/offer")
-    async def ice_candidate(request: SmallWebRTCPatchRequest):
-        """Handle WebRTC new ice candidate requests."""
-        logger.debug(f"Received patch request: {request}")
-        await small_webrtc_handler.handle_patch_request(request)
-        return {"status": "success"}
-
-    @app.post("/start")
-    async def rtvi_start(request: Request):
-        """Mimic Pipecat Cloud's /start endpoint."""
-        # Parse the request body
-        try:
-            request_data = await request.json()
-            logger.debug(f"Received request: {request_data}")
-        except Exception as e:
-            logger.error(f"Failed to parse request body: {e}")
-            request_data = {}
-
-        # Store session info immediately in memory, replicate the behavior expected on Pipecat Cloud
-        session_id = str(uuid.uuid4())
-        active_sessions[session_id] = request_data
-
-        result: StartBotResult = {"sessionId": session_id}
-        if request_data.get("enableDefaultIceServers"):
-            result["iceConfig"] = IceConfig(
-                iceServers=[IceServer(urls="stun:stun.l.google.com:19302")]
-            )
-
-        return result
-
-    @app.api_route(
-        "/sessions/{session_id}/{path:path}",
-        methods=["GET", "POST", "PUT", "PATCH", "DELETE"],
-    )
-    async def proxy_request(
-        session_id: str, path: str, request: Request, background_tasks: BackgroundTasks
-    ):
-        """Mimic Pipecat Cloud's proxy."""
-        active_session = active_sessions.get(session_id)
-        if not active_session:
-            return Response(content="Invalid or not-yet-ready session_id", status_code=404)
-
-        if path.endswith("api/offer"):
-            # Parse the request body and convert to SmallWebRTCRequest
-            try:
-                request_data = await request.json()
-                if request.method == HTTPMethod.POST.value:
-                    webrtc_request = SmallWebRTCRequest(
-                        sdp=request_data["sdp"],
-                        type=request_data["type"],
-                        pc_id=request_data.get("pc_id"),
-                        restart_pc=request_data.get("restart_pc"),
-                        request_data=active_session,
-                    )
-                    return await offer(webrtc_request, background_tasks)
-                elif request.method == HTTPMethod.PATCH.value:
-                    patch_request = SmallWebRTCPatchRequest(
-                        pc_id=request_data["pc_id"],
-                        candidates=[IceCandidate(**c) for c in request_data.get("candidates", [])],
-                    )
-                    return await ice_candidate(patch_request)
-            except Exception as e:
-                logger.error(f"Failed to parse WebRTC request: {e}")
-                return Response(content="Invalid WebRTC request", status_code=400)
-
-        logger.info(f"Received request for path: {path}")
-        return Response(status_code=200)
-
     @asynccontextmanager
     async def smallwebrtc_lifespan(app: FastAPI):
         """Manage FastAPI application lifecycle and cleanup connections."""
@@ -373,29 +289,6 @@ def _add_lifespan_to_app(app: FastAPI, new_lifespan):
 
 def _setup_whatsapp_routes(app: FastAPI):
     """Set up WebRTC-specific routes."""
-    WHATSAPP_APP_SECRET = os.getenv("WHATSAPP_APP_SECRET")
-    WHATSAPP_PHONE_NUMBER_ID = os.getenv("WHATSAPP_PHONE_NUMBER_ID")
-    WHATSAPP_TOKEN = os.getenv("WHATSAPP_TOKEN")
-    WHATSAPP_WEBHOOK_VERIFICATION_TOKEN = os.getenv("WHATSAPP_WEBHOOK_VERIFICATION_TOKEN")
-
-    if not all(
-        [
-            WHATSAPP_APP_SECRET,
-            WHATSAPP_PHONE_NUMBER_ID,
-            WHATSAPP_TOKEN,
-            WHATSAPP_WEBHOOK_VERIFICATION_TOKEN,
-        ]
-    ):
-        logger.error(
-            """Missing required environment variables for WhatsApp transport:
-    WHATSAPP_APP_SECRET
-    WHATSAPP_PHONE_NUMBER_ID
-    WHATSAPP_TOKEN
-    WHATSAPP_WEBHOOK_VERIFICATION_TOKEN
-            """
-        )
-        return
-
     try:
         from pipecat_ai_small_webrtc_prebuilt.frontend import SmallWebRTCPrebuiltUI
 
@@ -407,7 +300,24 @@ def _setup_whatsapp_routes(app: FastAPI):
         from pipecat.transports.whatsapp.api import WhatsAppWebhookRequest
         from pipecat.transports.whatsapp.client import WhatsAppClient
     except ImportError as e:
-        logger.error(f"WhatsApp transport dependencies not installed: {e}")
+        logger.error(f"WebRTC transport dependencies not installed: {e}")
+        return
+
+    WHATSAPP_TOKEN = os.getenv("WHATSAPP_TOKEN")
+    WHATSAPP_PHONE_NUMBER_ID = os.getenv("WHATSAPP_PHONE_NUMBER_ID")
+    WHATSAPP_WEBHOOK_VERIFICATION_TOKEN = os.getenv("WHATSAPP_WEBHOOK_VERIFICATION_TOKEN")
+    WHATSAPP_APP_SECRET = os.getenv("WHATSAPP_APP_SECRET")
+
+    if not all(
+        [
+            WHATSAPP_TOKEN,
+            WHATSAPP_PHONE_NUMBER_ID,
+            WHATSAPP_WEBHOOK_VERIFICATION_TOKEN,
+        ]
+    ):
+        logger.debug(
+            "Missing required environment variables for WhatsApp transport. Keeping it disabled."
+        )
         return
 
     # Global WhatsApp client instance
@@ -577,6 +487,8 @@ def _setup_daily_routes(app: FastAPI):
         else:
             logger.debug("No body data provided in request")
 
+        import aiohttp
+
         from pipecat.runner.daily import configure
 
         async with aiohttp.ClientSession() as session:
@@ -664,6 +576,8 @@ def _setup_telephony_routes(app: FastAPI, *, transport_type: str, proxy: str):
 async def _run_daily_direct():
     """Run Daily bot with direct connection (no FastAPI server)."""
     try:
+        import aiohttp
+
         from pipecat.runner.daily import configure
     except ImportError as e:
         logger.error("Daily transport dependencies not installed.")
@@ -775,12 +689,6 @@ def main():
     parser.add_argument(
         "--verbose", "-v", action="count", default=0, help="Increase logging verbosity"
     )
-    parser.add_argument(
-        "--whatsapp",
-        action="store_true",
-        default=False,
-        help="Ensure requried WhatsApp environment variables are present",
-    )
 
     args = parser.parse_args()
 
@@ -823,11 +731,10 @@ def main():
         print()
         if args.esp32:
             print(f"🚀 Bot ready! (ESP32 mode)")
-        elif args.whatsapp:
-            print(f"🚀 Bot ready! (WhatsApp)")
+            print(f"   → Open http://{args.host}:{args.port}/client in your browser")
         else:
             print(f"🚀 Bot ready!")
-        print(f"   → Open http://{args.host}:{args.port}/client in your browser")
+            print(f"   → Open http://{args.host}:{args.port}/client in your browser")
         print()
     elif args.transport == "daily":
         print()
@@ -845,7 +752,6 @@ def main():
         host=args.host,
         proxy=args.proxy,
         esp32_mode=args.esp32,
-        whatsapp_enabled=args.whatsapp,
         folder=args.folder,
     )
 

src/pipecat/services/assemblyai/models.py

@@ -108,8 +108,6 @@ class AssemblyAIConnectionParams(BaseModel):
         end_of_turn_confidence_threshold: Confidence threshold for end-of-turn detection.
         min_end_of_turn_silence_when_confident: Minimum silence duration when confident about end-of-turn.
         max_turn_silence: Maximum silence duration before forcing end-of-turn.
-        keyterms_prompt: List of key terms to guide transcription. Will be JSON serialized before sending.
-        speech_model: Select between English and multilingual models. Defaults to "universal-streaming-english".
     """
 
     sample_rate: int = 16000
@@ -119,7 +117,3 @@ class AssemblyAIConnectionParams(BaseModel):
     end_of_turn_confidence_threshold: Optional[float] = None
     min_end_of_turn_silence_when_confident: Optional[int] = None
     max_turn_silence: Optional[int] = None
-    keyterms_prompt: Optional[List[str]] = None
-    speech_model: Literal["universal-streaming-english", "universal-streaming-multilingual"] = (
-        "universal-streaming-english"
-    )

src/pipecat/services/assemblyai/stt.py

@@ -174,16 +174,11 @@ class AssemblyAISTTService(STTService):
 
     def _build_ws_url(self) -> str:
         """Build WebSocket URL with query parameters using urllib.parse.urlencode."""
-        params = {}
-        for k, v in self._connection_params.model_dump().items():
-            if v is not None:
-                if k == "keyterms_prompt":
-                    params[k] = json.dumps(v)
-                elif isinstance(v, bool):
-                    params[k] = str(v).lower()
-                else:
-                    params[k] = v
-
+        params = {
+            k: str(v).lower() if isinstance(v, bool) else v
+            for k, v in self._connection_params.model_dump().items()
+            if v is not None
+        }
         if params:
             query_string = urlencode(params)
             return f"{self._api_endpoint_base_url}?{query_string}"
@@ -202,8 +197,6 @@ class AssemblyAISTTService(STTService):
             )
             self._connected = True
             self._receive_task = self.create_task(self._receive_task_handler())
-
-            await self._call_event_handler("on_connected")
         except Exception as e:
             logger.error(f"Failed to connect to AssemblyAI: {e}")
             self._connected = False
@@ -245,7 +238,6 @@ class AssemblyAISTTService(STTService):
             self._websocket = None
             self._connected = False
             self._receive_task = None
-            await self._call_event_handler("on_disconnected")
 
     async def _receive_task_handler(self):
         """Handle incoming WebSocket messages."""

src/pipecat/services/asyncai/tts.py

@@ -235,8 +235,6 @@ class AsyncAITTSService(InterruptibleTTSService):
             }
 
             await self._get_websocket().send(json.dumps(init_msg))
-
-            await self._call_event_handler("on_connected")
         except Exception as e:
             logger.error(f"{self} initialization error: {e}")
             self._websocket = None
@@ -254,7 +252,6 @@ class AsyncAITTSService(InterruptibleTTSService):
         finally:
             self._websocket = None
             self._started = False
-            await self._call_event_handler("on_disconnected")
 
     def _get_websocket(self):
         if self._websocket:

src/pipecat/services/aws/nova_sonic/context.py

@@ -8,80 +8,360 @@
 
 This module provides specialized context aggregators and message handling for AWS Nova Sonic,
 including conversation history management and role-specific message processing.
-
-.. deprecated:: 0.0.91
-    AWS Nova Sonic now supports `LLMContext` and `LLMContextAggregatorPair`.
-    Using the new patterns should allow you to not need types from this module.
-
-    BEFORE:
-    ```
-    # Setup
-    context = OpenAILLMContext(messages, tools)
-    context_aggregator = llm.create_context_aggregator(context)
-
-    # Context frame type
-    frame: OpenAILLMContextFrame
-
-    # Context type
-    context: AWSNovaSonicLLMContext
-    # or
-    context: OpenAILLMContext
-
-    # Reading messages from context
-    messages = context.messages
-    ```
-
-    AFTER:
-    ```
-    # Setup
-    context = LLMContext(messages, tools)
-    context_aggregator = LLMContextAggregatorPair(context)
-
-    # Context frame type
-    frame: LLMContextFrame
-
-    # Context type
-    context: LLMContext
-
-    # Reading messages from context
-    messages = context.get_messages()
-    ```
 """
 
-import warnings
+import copy
+from dataclasses import dataclass, field
+from enum import Enum
 
-with warnings.catch_warnings():
-    warnings.simplefilter("always")
-    warnings.warn(
-        "Types in pipecat.services.aws.nova_sonic.context are deprecated. \n"
-        "AWS Nova Sonic now supports `LLMContext` and `LLMContextAggregatorPair`. \n"
-        "Using the new patterns should allow you to not need types from this module.\n\n"
-        "BEFORE:\n"
-        "```\n"
-        "# Setup\n"
-        "context = OpenAILLMContext(messages, tools)\n"
-        "context_aggregator = llm.create_context_aggregator(context)\n\n"
-        "# Context frame type\n"
-        "frame: OpenAILLMContextFrame\n\n"
-        "# Context type\n"
-        "context: AWSNovaSonicLLMContext\n"
-        "# or\n"
-        "context: OpenAILLMContext\n\n"
-        "# Reading messages from context\n"
-        "messages = context.messages\n"
-        "```\n\n"
-        "AFTER:\n"
-        "```\n"
-        "# Setup\n"
-        "context = LLMContext(messages, tools)\n"
-        "context_aggregator = LLMContextAggregatorPair(context)\n\n"
-        "# Context frame type\n"
-        "frame: LLMContextFrame\n\n"
-        "# Context type\n"
-        "context: LLMContext\n\n"
-        "# Reading messages from context\n"
-        "messages = context.messages\n"
-        "```",
-        DeprecationWarning,
-        stacklevel=2,
-    )
+from loguru import logger
+
+from pipecat.frames.frames import (
+    BotStoppedSpeakingFrame,
+    DataFrame,
+    Frame,
+    FunctionCallResultFrame,
+    InterruptionFrame,
+    LLMFullResponseEndFrame,
+    LLMFullResponseStartFrame,
+    LLMMessagesAppendFrame,
+    LLMMessagesUpdateFrame,
+    LLMSetToolChoiceFrame,
+    LLMSetToolsFrame,
+    TextFrame,
+    UserImageRawFrame,
+)
+from pipecat.processors.aggregators.openai_llm_context import OpenAILLMContext
+from pipecat.processors.frame_processor import FrameDirection
+from pipecat.services.aws.nova_sonic.frames import AWSNovaSonicFunctionCallResultFrame
+from pipecat.services.openai.llm import (
+    OpenAIAssistantContextAggregator,
+    OpenAIUserContextAggregator,
+)
+
+
+class Role(Enum):
+    """Roles supported in AWS Nova Sonic conversations.
+
+    Parameters:
+        SYSTEM: System-level messages (not used in conversation history).
+        USER: Messages sent by the user.
+        ASSISTANT: Messages sent by the assistant.
+        TOOL: Messages sent by tools (not used in conversation history).
+    """
+
+    SYSTEM = "SYSTEM"
+    USER = "USER"
+    ASSISTANT = "ASSISTANT"
+    TOOL = "TOOL"
+
+
+@dataclass
+class AWSNovaSonicConversationHistoryMessage:
+    """A single message in AWS Nova Sonic conversation history.
+
+    Parameters:
+        role: The role of the message sender (USER or ASSISTANT only).
+        text: The text content of the message.
+    """
+
+    role: Role  # only USER and ASSISTANT
+    text: str
+
+
+@dataclass
+class AWSNovaSonicConversationHistory:
+    """Complete conversation history for AWS Nova Sonic initialization.
+
+    Parameters:
+        system_instruction: System-level instruction for the conversation.
+        messages: List of conversation messages between user and assistant.
+    """
+
+    system_instruction: str = None
+    messages: list[AWSNovaSonicConversationHistoryMessage] = field(default_factory=list)
+
+
+class AWSNovaSonicLLMContext(OpenAILLMContext):
+    """Specialized LLM context for AWS Nova Sonic service.
+
+    Extends OpenAI context with Nova Sonic-specific message handling,
+    conversation history management, and text buffering capabilities.
+    """
+
+    def __init__(self, messages=None, tools=None, **kwargs):
+        """Initialize AWS Nova Sonic LLM context.
+
+        Args:
+            messages: Initial messages for the context.
+            tools: Available tools for the context.
+            **kwargs: Additional arguments passed to parent class.
+        """
+        super().__init__(messages=messages, tools=tools, **kwargs)
+        self.__setup_local()
+
+    def __setup_local(self, system_instruction: str = ""):
+        self._assistant_text = ""
+        self._user_text = ""
+        self._system_instruction = system_instruction
+
+    @staticmethod
+    def upgrade_to_nova_sonic(
+        obj: OpenAILLMContext, system_instruction: str
+    ) -> "AWSNovaSonicLLMContext":
+        """Upgrade an OpenAI context to AWS Nova Sonic context.
+
+        Args:
+            obj: The OpenAI context to upgrade.
+            system_instruction: System instruction for the context.
+
+        Returns:
+            The upgraded AWS Nova Sonic context.
+        """
+        if isinstance(obj, OpenAILLMContext) and not isinstance(obj, AWSNovaSonicLLMContext):
+            obj.__class__ = AWSNovaSonicLLMContext
+            obj.__setup_local(system_instruction)
+        return obj
+
+    # NOTE: this method has the side-effect of updating _system_instruction from messages
+    def get_messages_for_initializing_history(self) -> AWSNovaSonicConversationHistory:
+        """Get conversation history for initializing AWS Nova Sonic session.
+
+        Processes stored messages and extracts system instruction and conversation
+        history in the format expected by AWS Nova Sonic.
+
+        Returns:
+            Formatted conversation history with system instruction and messages.
+        """
+        history = AWSNovaSonicConversationHistory(system_instruction=self._system_instruction)
+
+        # Bail if there are no messages
+        if not self.messages:
+            return history
+
+        messages = copy.deepcopy(self.messages)
+
+        # If we have a "system" message as our first message, let's pull that out into "instruction"
+        if messages[0].get("role") == "system":
+            system = messages.pop(0)
+            content = system.get("content")
+            if isinstance(content, str):
+                history.system_instruction = content
+            elif isinstance(content, list):
+                history.system_instruction = content[0].get("text")
+            if history.system_instruction:
+                self._system_instruction = history.system_instruction
+
+        # Process remaining messages to fill out conversation history.
+        # Nova Sonic supports "user" and "assistant" messages in history.
+        for message in messages:
+            history_message = self.from_standard_message(message)
+            if history_message:
+                history.messages.append(history_message)
+
+        return history
+
+    def get_messages_for_persistent_storage(self):
+        """Get messages formatted for persistent storage.
+
+        Returns:
+            List of messages including system instruction if present.
+        """
+        messages = super().get_messages_for_persistent_storage()
+        # If we have a system instruction and messages doesn't already contain it, add it
+        if self._system_instruction and not (messages and messages[0].get("role") == "system"):
+            messages.insert(0, {"role": "system", "content": self._system_instruction})
+        return messages
+
+    def from_standard_message(self, message) -> AWSNovaSonicConversationHistoryMessage:
+        """Convert standard message format to Nova Sonic format.
+
+        Args:
+            message: Standard message dictionary to convert.
+
+        Returns:
+            Nova Sonic conversation history message, or None if not convertible.
+        """
+        role = message.get("role")
+        if message.get("role") == "user" or message.get("role") == "assistant":
+            content = message.get("content")
+            if isinstance(message.get("content"), list):
+                content = ""
+                for c in message.get("content"):
+                    if c.get("type") == "text":
+                        content += " " + c.get("text")
+                    else:
+                        logger.error(
+                            f"Unhandled content type in context message: {c.get('type')} - {message}"
+                        )
+            # There won't be content if this is an assistant tool call entry.
+            # We're ignoring those since they can't be loaded into AWS Nova Sonic conversation
+            # history
+            if content:
+                return AWSNovaSonicConversationHistoryMessage(role=Role[role.upper()], text=content)
+        # NOTE: we're ignoring messages with role "tool" since they can't be loaded into AWS Nova
+        # Sonic conversation history
+
+    def buffer_user_text(self, text):
+        """Buffer user text for later flushing to context.
+
+        Args:
+            text: User text to buffer.
+        """
+        self._user_text += f" {text}" if self._user_text else text
+        # logger.debug(f"User text buffered: {self._user_text}")
+
+    def flush_aggregated_user_text(self) -> str:
+        """Flush buffered user text to context as a complete message.
+
+        Returns:
+            The flushed user text, or empty string if no text was buffered.
+        """
+        if not self._user_text:
+            return ""
+        user_text = self._user_text
+        message = {
+            "role": "user",
+            "content": [{"type": "text", "text": user_text}],
+        }
+        self._user_text = ""
+        self.add_message(message)
+        # logger.debug(f"Context updated (user): {self.get_messages_for_logging()}")
+        return user_text
+
+    def buffer_assistant_text(self, text):
+        """Buffer assistant text for later flushing to context.
+
+        Args:
+            text: Assistant text to buffer.
+        """
+        self._assistant_text += text
+        # logger.debug(f"Assistant text buffered: {self._assistant_text}")
+
+    def flush_aggregated_assistant_text(self):
+        """Flush buffered assistant text to context as a complete message."""
+        if not self._assistant_text:
+            return
+        message = {
+            "role": "assistant",
+            "content": [{"type": "text", "text": self._assistant_text}],
+        }
+        self._assistant_text = ""
+        self.add_message(message)
+        # logger.debug(f"Context updated (assistant): {self.get_messages_for_logging()}")
+
+
+@dataclass
+class AWSNovaSonicMessagesUpdateFrame(DataFrame):
+    """Frame containing updated AWS Nova Sonic context.
+
+    Parameters:
+        context: The updated AWS Nova Sonic LLM context.
+    """
+
+    context: AWSNovaSonicLLMContext
+
+
+class AWSNovaSonicUserContextAggregator(OpenAIUserContextAggregator):
+    """Context aggregator for user messages in AWS Nova Sonic conversations.
+
+    Extends the OpenAI user context aggregator to emit Nova Sonic-specific
+    context update frames.
+    """
+
+    async def process_frame(
+        self, frame: Frame, direction: FrameDirection = FrameDirection.DOWNSTREAM
+    ):
+        """Process frames and emit Nova Sonic-specific context updates.
+
+        Args:
+            frame: The frame to process.
+            direction: The direction the frame is traveling.
+        """
+        await super().process_frame(frame, direction)
+
+        # Parent does not push LLMMessagesUpdateFrame
+        if isinstance(frame, LLMMessagesUpdateFrame):
+            await self.push_frame(AWSNovaSonicMessagesUpdateFrame(context=self._context))
+
+
+class AWSNovaSonicAssistantContextAggregator(OpenAIAssistantContextAggregator):
+    """Context aggregator for assistant messages in AWS Nova Sonic conversations.
+
+    Provides specialized handling for assistant responses and function calls
+    in AWS Nova Sonic context, with custom frame processing logic.
+    """
+
+    async def process_frame(self, frame: Frame, direction: FrameDirection):
+        """Process frames with Nova Sonic-specific logic.
+
+        Args:
+            frame: The frame to process.
+            direction: The direction the frame is traveling.
+        """
+        # HACK: For now, disable the context aggregator by making it just pass through all frames
+        # that the parent handles (except the function call stuff, which we still need).
+        # For an explanation of this hack, see
+        # AWSNovaSonicLLMService._report_assistant_response_text_added.
+        if isinstance(
+            frame,
+            (
+                InterruptionFrame,
+                LLMFullResponseStartFrame,
+                LLMFullResponseEndFrame,
+                TextFrame,
+                LLMMessagesAppendFrame,
+                LLMMessagesUpdateFrame,
+                LLMSetToolsFrame,
+                LLMSetToolChoiceFrame,
+                UserImageRawFrame,
+                BotStoppedSpeakingFrame,
+            ),
+        ):
+            await self.push_frame(frame, direction)
+        else:
+            await super().process_frame(frame, direction)
+
+    async def handle_function_call_result(self, frame: FunctionCallResultFrame):
+        """Handle function call results for AWS Nova Sonic.
+
+        Args:
+            frame: The function call result frame to handle.
+        """
+        await super().handle_function_call_result(frame)
+
+        # The standard function callback code path pushes the FunctionCallResultFrame from the LLM
+        # itself, so we didn't have a chance to add the result to the AWS Nova Sonic server-side
+        # context. Let's push a special frame to do that.
+        await self.push_frame(
+            AWSNovaSonicFunctionCallResultFrame(result_frame=frame), FrameDirection.UPSTREAM
+        )
+
+
+@dataclass
+class AWSNovaSonicContextAggregatorPair:
+    """Pair of user and assistant context aggregators for AWS Nova Sonic.
+
+    Parameters:
+        _user: The user context aggregator.
+        _assistant: The assistant context aggregator.
+    """
+
+    _user: AWSNovaSonicUserContextAggregator
+    _assistant: AWSNovaSonicAssistantContextAggregator
+
+    def user(self) -> AWSNovaSonicUserContextAggregator:
+        """Get the user context aggregator.
+
+        Returns:
+            The user context aggregator instance.
+        """
+        return self._user
+
+    def assistant(self) -> AWSNovaSonicAssistantContextAggregator:
+        """Get the assistant context aggregator.
+
+        Returns:
+            The assistant context aggregator instance.
+        """
+        return self._assistant

src/pipecat/services/aws/nova_sonic/llm.py

@@ -25,7 +25,7 @@ from loguru import logger
 from pydantic import BaseModel, Field
 
 from pipecat.adapters.schemas.tools_schema import ToolsSchema
-from pipecat.adapters.services.aws_nova_sonic_adapter import AWSNovaSonicLLMAdapter, Role
+from pipecat.adapters.services.aws_nova_sonic_adapter import AWSNovaSonicLLMAdapter
 from pipecat.frames.frames import (
     BotStoppedSpeakingFrame,
     CancelFrame,
@@ -33,30 +33,35 @@ from pipecat.frames.frames import (
     Frame,
     FunctionCallFromLLM,
     InputAudioRawFrame,
-    InterruptionFrame,
+    InterimTranscriptionFrame,
     LLMContextFrame,
     LLMFullResponseEndFrame,
     LLMFullResponseStartFrame,
+    LLMTextFrame,
     StartFrame,
     TranscriptionFrame,
     TTSAudioRawFrame,
     TTSStartedFrame,
     TTSStoppedFrame,
     TTSTextFrame,
-    UserStartedSpeakingFrame,
-    UserStoppedSpeakingFrame,
 )
-from pipecat.processors.aggregators.llm_context import LLMContext
 from pipecat.processors.aggregators.llm_response import (
     LLMAssistantAggregatorParams,
     LLMUserAggregatorParams,
 )
-from pipecat.processors.aggregators.llm_response_universal import LLMContextAggregatorPair
 from pipecat.processors.aggregators.openai_llm_context import (
     OpenAILLMContext,
     OpenAILLMContextFrame,
 )
 from pipecat.processors.frame_processor import FrameDirection
+from pipecat.services.aws.nova_sonic.context import (
+    AWSNovaSonicAssistantContextAggregator,
+    AWSNovaSonicContextAggregatorPair,
+    AWSNovaSonicLLMContext,
+    AWSNovaSonicUserContextAggregator,
+    Role,
+)
+from pipecat.services.aws.nova_sonic.frames import AWSNovaSonicFunctionCallResultFrame
 from pipecat.services.llm_service import LLMService
 from pipecat.utils.time import time_now_iso8601
 
@@ -212,11 +217,6 @@ class AWSNovaSonicLLMService(LLMService):
             system_instruction: System-level instruction for the model.
             tools: Available tools/functions for the model to use.
             send_transcription_frames: Whether to emit transcription frames.
-
-                .. deprecated:: 0.0.91
-                    This parameter is deprecated and will be removed in a future version.
-                    Transcription frames are always sent.
-
             **kwargs: Additional arguments passed to the parent LLMService.
         """
         super().__init__(**kwargs)
@@ -230,20 +230,8 @@ class AWSNovaSonicLLMService(LLMService):
         self._params = params or Params()
         self._system_instruction = system_instruction
         self._tools = tools
-
-        if not send_transcription_frames:
-            import warnings
-
-            with warnings.catch_warnings():
-                warnings.simplefilter("always")
-                warnings.warn(
-                    "`send_transcription_frames` is deprecated and will be removed in a future version. "
-                    "Transcription frames are always sent.",
-                    DeprecationWarning,
-                    stacklevel=2,
-                )
-
-        self._context: Optional[LLMContext] = None
+        self._send_transcription_frames = send_transcription_frames
+        self._context: Optional[AWSNovaSonicLLMContext] = None
         self._stream: Optional[
             DuplexEventStream[
                 InvokeModelWithBidirectionalStreamInput,
@@ -256,17 +244,12 @@ class AWSNovaSonicLLMService(LLMService):
         self._input_audio_content_name: Optional[str] = None
         self._content_being_received: Optional[CurrentContent] = None
         self._assistant_is_responding = False
-        self._may_need_repush_assistant_text = False
         self._ready_to_send_context = False
         self._handling_bot_stopped_speaking = False
         self._triggering_assistant_response = False
-        self._waiting_for_trigger_transcription = False
         self._disconnecting = False
         self._connected_time: Optional[float] = None
         self._wants_connection = False
-        self._user_text_buffer = ""
-        self._assistant_text_buffer = ""
-        self._completed_tool_calls = set()
 
         file_path = files("pipecat.services.aws.nova_sonic").joinpath("ready.wav")
         with wave.open(file_path.open("rb"), "rb") as wav_file:
@@ -319,12 +302,12 @@ class AWSNovaSonicLLMService(LLMService):
         logger.debug("Resetting conversation")
         await self._handle_bot_stopped_speaking(delay_to_catch_trailing_assistant_text=False)
 
-        # Grab context to carry through disconnect/reconnect
+        # Carry over previous context through disconnect
         context = self._context
-
         await self._disconnect()
+        self._context = context
+
         await self._start_connecting()
-        await self._handle_context(context)
 
     #
     # frame processing
@@ -339,35 +322,28 @@ class AWSNovaSonicLLMService(LLMService):
         """
         await super().process_frame(frame, direction)
 
-        if isinstance(frame, (LLMContextFrame, OpenAILLMContextFrame)):
-            context = (
-                frame.context
-                if isinstance(frame, LLMContextFrame)
-                else LLMContext.from_openai_context(frame.context)
+        if isinstance(frame, OpenAILLMContextFrame):
+            await self._handle_context(frame.context)
+        elif isinstance(frame, LLMContextFrame):
+            raise NotImplementedError(
+                "Universal LLMContext is not yet supported for AWS Nova Sonic."
             )
-            await self._handle_context(context)
         elif isinstance(frame, InputAudioRawFrame):
             await self._handle_input_audio_frame(frame)
         elif isinstance(frame, BotStoppedSpeakingFrame):
             await self._handle_bot_stopped_speaking(delay_to_catch_trailing_assistant_text=True)
-        elif isinstance(frame, InterruptionFrame):
-            await self._handle_interruption_frame()
+        elif isinstance(frame, AWSNovaSonicFunctionCallResultFrame):
+            await self._handle_function_call_result(frame)
 
         await self.push_frame(frame, direction)
 
-    async def _handle_context(self, context: LLMContext):
-        if self._disconnecting:
-            return
-
+    async def _handle_context(self, context: OpenAILLMContext):
         if not self._context:
-            # We got our initial context
-            # Try to finish connecting
-            self._context = context
+            # We got our initial context - try to finish connecting
+            self._context = AWSNovaSonicLLMContext.upgrade_to_nova_sonic(
+                context, self._system_instruction
+            )
             await self._finish_connecting_if_context_available()
-        else:
-            # We got an updated context
-            # Send results for any newly-completed function calls
-            await self._process_completed_function_calls(send_new_results=True)
 
     async def _handle_input_audio_frame(self, frame: InputAudioRawFrame):
         # Wait until we're done sending the assistant response trigger audio before sending audio
@@ -417,9 +393,9 @@ class AWSNovaSonicLLMService(LLMService):
         else:
             await finalize_assistant_response()
 
-    async def _handle_interruption_frame(self):
-        if self._assistant_is_responding:
-            self._may_need_repush_assistant_text = True
+    async def _handle_function_call_result(self, frame: AWSNovaSonicFunctionCallResultFrame):
+        result = frame.result_frame
+        await self._send_tool_result(tool_call_id=result.tool_call_id, result=result.result)
 
     #
     # LLM communication: lifecycle
@@ -455,17 +431,6 @@ class AWSNovaSonicLLMService(LLMService):
             logger.error(f"{self} initialization error: {e}")
             await self._disconnect()
 
-    async def _process_completed_function_calls(self, send_new_results: bool):
-        # Check for set of completed function calls in the context
-        for message in self._context.get_messages():
-            if message.get("role") and message.get("content") != "IN_PROGRESS":
-                tool_call_id = message.get("tool_call_id")
-                if tool_call_id and tool_call_id not in self._completed_tool_calls:
-                    # Found a newly-completed function call - send the result to the service
-                    if send_new_results:
-                        await self._send_tool_result(tool_call_id, message.get("content"))
-                    self._completed_tool_calls.add(tool_call_id)
-
     async def _finish_connecting_if_context_available(self):
         # We can only finish connecting once we've gotten our initial context and we're ready to
         # send it
@@ -474,38 +439,30 @@ class AWSNovaSonicLLMService(LLMService):
 
         logger.info("Finishing connecting (setting up session)...")
 
-        # Initialize our bookkeeping of already-completed tool calls in the
-        # context
-        await self._process_completed_function_calls(send_new_results=False)
-
         # Read context
-        adapter: AWSNovaSonicLLMAdapter = self.get_llm_adapter()
-        llm_connection_params = adapter.get_llm_invocation_params(self._context)
+        history = self._context.get_messages_for_initializing_history()
 
         # Send prompt start event, specifying tools.
         # Tools from context take priority over self._tools.
         tools = (
-            llm_connection_params["tools"]
-            if llm_connection_params["tools"]
-            else adapter.from_standard_tools(self._tools)
+            self._context.tools
+            if self._context.tools
+            else self.get_llm_adapter().from_standard_tools(self._tools)
         )
         logger.debug(f"Using tools: {tools}")
         await self._send_prompt_start_event(tools)
 
         # Send system instruction.
         # Instruction from context takes priority over self._system_instruction.
-        system_instruction = (
-            llm_connection_params["system_instruction"]
-            if llm_connection_params["system_instruction"]
-            else self._system_instruction
-        )
-        logger.debug(f"Using system instruction: {system_instruction}")
-        if system_instruction:
-            await self._send_text_event(text=system_instruction, role=Role.SYSTEM)
+        # (NOTE: this prioritizing occurred automatically behind the scenes: the context was
+        # initialized with self._system_instruction and then updated itself from its messages when
+        # get_messages_for_initializing_history() was called).
+        logger.debug(f"Using system instruction: {history.system_instruction}")
+        if history.system_instruction:
+            await self._send_text_event(text=history.system_instruction, role=Role.SYSTEM)
 
         # Send conversation history
-        for message in llm_connection_params["messages"]:
-            # logger.debug(f"Seeding conversation history with message: {message}")
+        for message in history.messages:
             await self._send_text_event(text=message.text, role=message.role)
 
         # Start audio input
@@ -535,12 +492,9 @@ class AWSNovaSonicLLMService(LLMService):
                 await self._send_session_end_events()
                 self._client = None
 
-            # Clean up context
-            self._context = None
-
             # Clean up stream
             if self._stream:
-                await self._stream.close()
+                await self._stream.input_stream.close()
                 self._stream = None
 
             # NOTE: see explanation of HACK, below
@@ -556,23 +510,15 @@ class AWSNovaSonicLLMService(LLMService):
                 self._receive_task = None
 
             # Reset remaining connection-specific state
-            # Should be all private state except:
-            # - _wants_connection
-            # - _assistant_response_trigger_audio
             self._prompt_name = None
             self._input_audio_content_name = None
             self._content_being_received = None
             self._assistant_is_responding = False
-            self._may_need_repush_assistant_text = False
             self._ready_to_send_context = False
             self._handling_bot_stopped_speaking = False
             self._triggering_assistant_response = False
-            self._waiting_for_trigger_transcription = False
             self._disconnecting = False
             self._connected_time = None
-            self._user_text_buffer = ""
-            self._assistant_text_buffer = ""
-            self._completed_tool_calls = set()
 
             logger.info("Finished disconnecting")
         except Exception as e:
@@ -880,10 +826,6 @@ class AWSNovaSonicLLMService(LLMService):
                             # Handle the LLM completion ending
                             await self._handle_completion_end_event(event_json)
         except Exception as e:
-            if self._disconnecting:
-                # Errors are kind of expected while disconnecting, so just
-                # ignore them and do nothing
-                return
             logger.error(f"{self} error processing responses: {e}")
             if self._wants_connection:
                 await self.reset_conversation()
@@ -1014,7 +956,7 @@ class AWSNovaSonicLLMService(LLMService):
     async def _report_assistant_response_started(self):
         logger.debug("Assistant response started")
 
-        # Report the start of the assistant response.
+        # Report that the assistant has started their response.
         await self.push_frame(LLMFullResponseStartFrame())
 
         # Report that equivalent of TTS (this is a speech-to-speech model) started
@@ -1026,16 +968,23 @@ class AWSNovaSonicLLMService(LLMService):
 
         logger.debug(f"Assistant response text added: {text}")
 
-        # Report the text of the assistant response.
+        # Report some text added to the ongoing assistant response
+        await self.push_frame(LLMTextFrame(text))
+
+        # Report some text added to the *equivalent* of TTS (this is a speech-to-speech model)
         await self.push_frame(TTSTextFrame(text))
 
-        # HACK: here we're also buffering the assistant text ourselves as a
-        # backup rather than relying solely on the assistant context aggregator
-        # to do it, because the text arrives from Nova Sonic only after all the
-        # assistant audio frames have been pushed, meaning that if an
-        # interruption frame were to arrive we would lose all of it (the text
-        # frames sitting in the queue would be wiped).
-        self._assistant_text_buffer += text
+        # TODO: this is a (hopefully temporary) HACK. Here we directly manipulate the context rather
+        # than relying on the frames pushed to the assistant context aggregator. The pattern of
+        # receiving full-sentence text after the assistant has spoken does not easily fit with the
+        # Pipecat expectation of chunks of text streaming in while the assistant is speaking.
+        # Interruption handling was especially challenging. Rather than spend days trying to fit a
+        # square peg in a round hole, I decided on this hack for the time being. We can most cleanly
+        # abandon this hack if/when AWS Nova Sonic implements streaming smaller text chunks
+        # interspersed with audio. Note that when we move away from this hack, we need to make sure
+        # that on an interruption we avoid sending LLMFullResponseEndFrame, which gets the
+        # LLMAssistantContextAggregator into a bad state.
+        self._context.buffer_assistant_text(text)
 
     async def _report_assistant_response_ended(self):
         if not self._context:  # should never happen
@@ -1043,34 +992,14 @@ class AWSNovaSonicLLMService(LLMService):
 
         logger.debug("Assistant response ended")
 
-        # If an interruption frame arrived while the assistant was responding
-        # we may have lost all of the assistant text (see HACK, above), so
-        # re-push it downstream to the aggregator now.
-        if self._may_need_repush_assistant_text:
-            # Just in case, check that assistant text hasn't already made it
-            # into the context (sometimes it does, despite the interruption).
-            messages = self._context.get_messages()
-            last_message = messages[-1] if messages else None
-            if (
-                not last_message
-                or last_message.get("role") != "assistant"
-                or last_message.get("content") != self._assistant_text_buffer
-            ):
-                # We also need to re-push the LLMFullResponseStartFrame since the
-                # TTSTextFrame would be ignored otherwise (the interruption frame
-                # would have cleared the assistant aggregator state).
-                await self.push_frame(LLMFullResponseStartFrame())
-                await self.push_frame(TTSTextFrame(self._assistant_text_buffer))
-            self._may_need_repush_assistant_text = False
-
-        # Report the end of the assistant response.
+        # Report that the assistant has finished their response.
         await self.push_frame(LLMFullResponseEndFrame())
 
         # Report that equivalent of TTS (this is a speech-to-speech model) stopped.
         await self.push_frame(TTSStoppedFrame())
 
-        # Clear out the buffered assistant text
-        self._assistant_text_buffer = ""
+        # For an explanation of this hack, see _report_assistant_response_text_added.
+        self._context.flush_aggregated_assistant_text()
 
     #
     # user transcription reporting
@@ -1087,67 +1016,33 @@ class AWSNovaSonicLLMService(LLMService):
 
         logger.debug(f"User transcription text added: {text}")
 
-        # HACK: here we're buffering the user text ourselves rather than
-        # relying on the upstream user context aggregator to do it, because the
-        # text arrives in fairly large chunks spaced fairly far apart in time.
-        # That means the user text would be split between different messages in
-        # context. Even if we sent placeholder InterimTranscriptionFrames in
-        # between each TranscriptionFrame to tell the aggregator to hold off on
-        # finalizing the user message, the aggregator would likely get the last
-        # chunk too late.
-        self._user_text_buffer += f" {text}" if self._user_text_buffer else text
+        # Manually add new user transcription text to context.
+        # We can't rely on the user context aggregator to do this since it's upstream from the LLM.
+        self._context.buffer_user_text(text)
+
+        # Report that some new user transcription text is available.
+        if self._send_transcription_frames:
+            await self.push_frame(
+                InterimTranscriptionFrame(text=text, user_id="", timestamp=time_now_iso8601())
+            )
 
     async def _report_user_transcription_ended(self):
         if not self._context:  # should never happen
             return
 
+        # Manually add user transcription to context (if any has been buffered).
+        # We can't rely on the user context aggregator to do this since it's upstream from the LLM.
+        transcription = self._context.flush_aggregated_user_text()
+
+        if not transcription:
+            return
+
         logger.debug(f"User transcription ended")
 
-        # Report to the upstream user context aggregator that some new user
-        # transcription text is available.
-
-        # HACK: Check if this transcription was triggered by our own
-        # assistant response trigger. If so, we need to wrap it with
-        # UserStarted/StoppedSpeakingFrames; otherwise the user aggregator
-        # would fire an EmulatedUserStartedSpeakingFrame, which would
-        # trigger an interruption, which would prevent us from writing the
-        # assistant response to context.
-        #
-        # Sending an EmulateUserStartedSpeakingFrame ourselves doesn't
-        # work: it just causes the interruption we're trying to avoid.
-        #
-        # Setting enable_emulated_vad_interruptions also doesn't work: at
-        # the time the user aggregator receives the TranscriptionFrame, it
-        # doesn't yet know the assistant has started responding, so it
-        # doesn't know that emulating the user starting to speak would
-        # cause an interruption.
-        should_wrap_in_user_started_stopped_speaking_frames = (
-            self._waiting_for_trigger_transcription
-            and self._user_text_buffer.strip().lower() == "ready"
-        )
-
-        # Start wrapping the upstream transcription in UserStarted/StoppedSpeakingFrames if needed
-        if should_wrap_in_user_started_stopped_speaking_frames:
-            logger.debug(
-                "Wrapping assistant response trigger transcription with upstream UserStarted/StoppedSpeakingFrames"
+        if self._send_transcription_frames:
+            await self.push_frame(
+                TranscriptionFrame(text=transcription, user_id="", timestamp=time_now_iso8601())
             )
-            await self.push_frame(UserStartedSpeakingFrame(), direction=FrameDirection.UPSTREAM)
-
-        # Send the transcription upstream for the user context aggregator
-        frame = TranscriptionFrame(
-            text=self._user_text_buffer, user_id="", timestamp=time_now_iso8601()
-        )
-        await self.push_frame(frame, direction=FrameDirection.UPSTREAM)
-
-        # Finish wrapping the upstream transcription in UserStarted/StoppedSpeakingFrames if needed
-        if should_wrap_in_user_started_stopped_speaking_frames:
-            await self.push_frame(UserStoppedSpeakingFrame(), direction=FrameDirection.UPSTREAM)
-
-        # Clear out the buffered user text
-        self._user_text_buffer = ""
-
-        # We're no longer waiting for a trigger transcription
-        self._waiting_for_trigger_transcription = False
 
     #
     # context
@@ -1159,26 +1054,23 @@ class AWSNovaSonicLLMService(LLMService):
         *,
         user_params: LLMUserAggregatorParams = LLMUserAggregatorParams(),
         assistant_params: LLMAssistantAggregatorParams = LLMAssistantAggregatorParams(),
-    ) -> LLMContextAggregatorPair:
+    ) -> AWSNovaSonicContextAggregatorPair:
         """Create context aggregator pair for managing conversation context.
 
-        NOTE: this method exists only for backward compatibility. New code
-        should instead do:
-            context = LLMContext(...)
-            context_aggregator = LLMContextAggregatorPair(context)
-
         Args:
-            context: The OpenAI LLM context.
+            context: The OpenAI LLM context to upgrade.
             user_params: Parameters for the user context aggregator.
             assistant_params: Parameters for the assistant context aggregator.
 
         Returns:
             A pair of user and assistant context aggregators.
         """
-        context = LLMContext.from_openai_context(context)
-        return LLMContextAggregatorPair(
-            context, user_params=user_params, assistant_params=assistant_params
-        )
+        context.set_llm_adapter(self.get_llm_adapter())
+
+        user = AWSNovaSonicUserContextAggregator(context=context, params=user_params)
+        assistant = AWSNovaSonicAssistantContextAggregator(context=context, params=assistant_params)
+
+        return AWSNovaSonicContextAggregatorPair(user, assistant)
 
     #
     # assistant response trigger (HACK)
@@ -1216,8 +1108,6 @@ class AWSNovaSonicLLMService(LLMService):
         try:
             logger.debug("Sending assistant response trigger...")
 
-            self._waiting_for_trigger_transcription = True
-
             chunk_duration = 0.02  # what we might get from InputAudioRawFrame
             chunk_size = int(
                 chunk_duration

src/pipecat/services/aws/stt.py

@@ -286,7 +286,6 @@ class AWSTranscribeSTTService(STTService):
 
                 logger.info(f"{self} Successfully connected to AWS Transcribe")
 
-                await self._call_event_handler("on_connected")
             except Exception as e:
                 logger.error(f"{self} Failed to connect to AWS Transcribe: {e}")
                 await self._disconnect()
@@ -311,7 +310,6 @@ class AWSTranscribeSTTService(STTService):
             logger.warning(f"{self} Error closing WebSocket connection: {e}")
         finally:
             self._ws_client = None
-            await self._call_event_handler("on_disconnected")
 
     def language_to_service_language(self, language: Language) -> str | None:
         """Convert internal language enum to AWS Transcribe language code.

src/pipecat/services/aws_nova_sonic/context.py

@@ -8,80 +8,18 @@
 
 This module provides specialized context aggregators and message handling for AWS Nova Sonic,
 including conversation history management and role-specific message processing.
-
-.. deprecated:: 0.0.91
-    AWS Nova Sonic now supports `LLMContext` and `LLMContextAggregatorPair`.
-    Using the new patterns should allow you to not need types from this module.
-
-    BEFORE:
-    ```
-    # Setup
-    context = OpenAILLMContext(messages, tools)
-    context_aggregator = llm.create_context_aggregator(context)
-
-    # Context frame type
-    frame: OpenAILLMContextFrame
-
-    # Context type
-    context: AWSNovaSonicLLMContext
-    # or
-    context: OpenAILLMContext
-
-    # Reading messages from context
-    messages = context.messages
-    ```
-
-    AFTER:
-    ```
-    # Setup
-    context = LLMContext(messages, tools)
-    context_aggregator = LLMContextAggregatorPair(context)
-
-    # Context frame type
-    frame: LLMContextFrame
-
-    # Context type
-    context: LLMContext
-
-    # Reading messages from context
-    messages = context.get_messages()
-    ```
 """
 
 import warnings
 
+from pipecat.services.aws.nova_sonic.context import *
+
 with warnings.catch_warnings():
     warnings.simplefilter("always")
     warnings.warn(
-        "Types in pipecat.services.aws_nova_sonic.context are deprecated. \n"
-        "AWS Nova Sonic now supports `LLMContext` and `LLMContextAggregatorPair`. \n"
-        "Using the new patterns should allow you to not need types from this module.\n\n"
-        "BEFORE:\n"
-        "```\n"
-        "# Setup\n"
-        "context = OpenAILLMContext(messages, tools)\n"
-        "context_aggregator = llm.create_context_aggregator(context)\n\n"
-        "# Context frame type\n"
-        "frame: OpenAILLMContextFrame\n\n"
-        "# Context type\n"
-        "context: AWSNovaSonicLLMContext\n"
-        "# or\n"
-        "context: OpenAILLMContext\n\n"
-        "# Reading messages from context\n"
-        "messages = context.messages\n"
-        "```\n\n"
-        "AFTER:\n"
-        "```\n"
-        "# Setup\n"
-        "context = LLMContext(messages, tools)\n"
-        "context_aggregator = LLMContextAggregatorPair(context)\n\n"
-        "# Context frame type\n"
-        "frame: LLMContextFrame\n\n"
-        "# Context type\n"
-        "context: LLMContext\n\n"
-        "# Reading messages from context\n"
-        "messages = context.messages\n"
-        "```",
+        "Types in pipecat.services.aws_nova_sonic.context are deprecated. "
+        "Please use the equivalent types from "
+        "pipecat.services.aws.nova_sonic.context instead.",
         DeprecationWarning,
         stacklevel=2,
     )

src/pipecat/services/cartesia/stt.py

@@ -28,12 +28,13 @@ from pipecat.frames.frames import (
     UserStoppedSpeakingFrame,
 )
 from pipecat.processors.frame_processor import FrameDirection
-from pipecat.services.stt_service import WebsocketSTTService
+from pipecat.services.stt_service import STTService
 from pipecat.transcriptions.language import Language
 from pipecat.utils.time import time_now_iso8601
 from pipecat.utils.tracing.service_decorators import traced_stt
 
 try:
+    import websockets
     from websockets.asyncio.client import connect as websocket_connect
     from websockets.protocol import State
 except ModuleNotFoundError as e:
@@ -123,7 +124,7 @@ class CartesiaLiveOptions:
         return cls(**json.loads(json_str))
 
 
-class CartesiaSTTService(WebsocketSTTService):
+class CartesiaSTTService(STTService):
     """Speech-to-text service using Cartesia Live API.
 
     Provides real-time speech transcription through WebSocket connection
@@ -175,7 +176,8 @@ class CartesiaSTTService(WebsocketSTTService):
         self.set_model_name(merged_options.model)
         self._api_key = api_key
         self._base_url = base_url or "api.cartesia.ai"
-        self._receive_task = None
+        self._connection = None
+        self._receiver_task = None
 
     def can_generate_metrics(self) -> bool:
         """Check if the service can generate processing metrics.
@@ -212,27 +214,6 @@ class CartesiaSTTService(WebsocketSTTService):
         await super().cancel(frame)
         await self._disconnect()
 
-    async def start_metrics(self):
-        """Start performance metrics collection for transcription processing."""
-        await self.start_ttfb_metrics()
-        await self.start_processing_metrics()
-
-    async def process_frame(self, frame: Frame, direction: FrameDirection):
-        """Process incoming frames and handle speech events.
-
-        Args:
-            frame: The frame to process.
-            direction: Direction of frame flow in the pipeline.
-        """
-        await super().process_frame(frame, direction)
-
-        if isinstance(frame, UserStartedSpeakingFrame):
-            await self.start_metrics()
-        elif isinstance(frame, UserStoppedSpeakingFrame):
-            # Send finalize command to flush the transcription session
-            if self._websocket and self._websocket.state is State.OPEN:
-                await self._websocket.send("finalize")
-
     async def run_stt(self, audio: bytes) -> AsyncGenerator[Frame, None]:
         """Process audio data for speech-to-text transcription.
 
@@ -243,71 +224,45 @@ class CartesiaSTTService(WebsocketSTTService):
             None - transcription results are handled via WebSocket responses.
         """
         # If the connection is closed, due to timeout, we need to reconnect when the user starts speaking again
-        if not self._websocket or self._websocket.state is State.CLOSED:
+        if not self._connection or self._connection.state is State.CLOSED:
             await self._connect()
 
-        await self._websocket.send(audio)
+        await self._connection.send(audio)
         yield None
 
     async def _connect(self):
-        await self._connect_websocket()
+        params = self._settings.to_dict()
+        ws_url = f"wss://{self._base_url}/stt/websocket?{urllib.parse.urlencode(params)}"
+        logger.debug(f"Connecting to Cartesia: {ws_url}")
+        headers = {"Cartesia-Version": "2025-04-16", "X-API-Key": self._api_key}
 
-        if self._websocket and not self._receive_task:
-            self._receive_task = asyncio.create_task(self._receive_task_handler(self._report_error))
-
-    async def _disconnect(self):
-        if self._receive_task:
-            await self.cancel_task(self._receive_task)
-            self._receive_task = None
-
-        await self._disconnect_websocket()
-
-    async def _connect_websocket(self):
         try:
-            if self._websocket and self._websocket.state is State.OPEN:
-                return
-            logger.debug("Connecting to Cartesia STT")
-
-            params = self._settings.to_dict()
-            ws_url = f"wss://{self._base_url}/stt/websocket?{urllib.parse.urlencode(params)}"
-            headers = {"Cartesia-Version": "2025-04-16", "X-API-Key": self._api_key}
-
-            self._websocket = await websocket_connect(ws_url, additional_headers=headers)
-            await self._call_event_handler("on_connected")
+            self._connection = await websocket_connect(ws_url, additional_headers=headers)
+            # Setup the receiver task to handle the incoming messages from the Cartesia server
+            if self._receiver_task is None or self._receiver_task.done():
+                self._receiver_task = asyncio.create_task(self._receive_messages())
+            logger.debug(f"Connected to Cartesia")
         except Exception as e:
             logger.error(f"{self}: unable to connect to Cartesia: {e}")
 
-    async def _disconnect_websocket(self):
-        try:
-            if self._websocket and self._websocket.state is State.OPEN:
-                logger.debug("Disconnecting from Cartesia STT")
-                await self._websocket.close()
-        except Exception as e:
-            logger.error(f"{self} error closing websocket: {e}")
-        finally:
-            self._websocket = None
-            await self._call_event_handler("on_disconnected")
-
-    def _get_websocket(self):
-        if self._websocket:
-            return self._websocket
-        raise Exception("Websocket not connected")
-
-    async def _process_messages(self):
-        async for message in self._get_websocket():
-            try:
-                data = json.loads(message)
-                await self._process_response(data)
-            except json.JSONDecodeError:
-                logger.warning(f"Received non-JSON message: {message}")
-
     async def _receive_messages(self):
-        while True:
-            await self._process_messages()
-            # Cartesia times out after 5 minutes of innactivity (no keepalive
-            # mechanism is available). So, we try to reconnect.
-            logger.debug(f"{self} Cartesia connection was disconnected (timeout?), reconnecting")
-            await self._connect_websocket()
+        try:
+            while True:
+                if not self._connection or self._connection.state is State.CLOSED:
+                    break
+
+                message = await self._connection.recv()
+                try:
+                    data = json.loads(message)
+                    await self._process_response(data)
+                except json.JSONDecodeError:
+                    logger.warning(f"Received non-JSON message: {message}")
+        except asyncio.CancelledError:
+            pass
+        except websockets.exceptions.ConnectionClosed as e:
+            logger.debug(f"WebSocket connection closed: {e}")
+        except Exception as e:
+            logger.error(f"Error in message receiver: {e}")
 
     async def _process_response(self, data):
         if "type" in data:
@@ -361,3 +316,41 @@ class CartesiaSTTService(WebsocketSTTService):
                         language,
                     )
                 )
+
+    async def _disconnect(self):
+        if self._receiver_task:
+            self._receiver_task.cancel()
+            try:
+                await self._receiver_task
+            except asyncio.CancelledError:
+                pass
+            except Exception as e:
+                logger.exception(f"Unexpected exception while cancelling task: {e}")
+            self._receiver_task = None
+
+        if self._connection and self._connection.state is State.OPEN:
+            logger.debug("Disconnecting from Cartesia")
+
+            await self._connection.close()
+            self._connection = None
+
+    async def start_metrics(self):
+        """Start performance metrics collection for transcription processing."""
+        await self.start_ttfb_metrics()
+        await self.start_processing_metrics()
+
+    async def process_frame(self, frame: Frame, direction: FrameDirection):
+        """Process incoming frames and handle speech events.
+
+        Args:
+            frame: The frame to process.
+            direction: Direction of frame flow in the pipeline.
+        """
+        await super().process_frame(frame, direction)
+
+        if isinstance(frame, UserStartedSpeakingFrame):
+            await self.start_metrics()
+        elif isinstance(frame, UserStoppedSpeakingFrame):
+            # Send finalize command to flush the transcription session
+            if self._connection and self._connection.state is State.OPEN:
+                await self._connection.send("finalize")

src/pipecat/services/cartesia/tts.py

@@ -344,11 +344,10 @@ class CartesiaTTSService(AudioContextWordTTSService):
         try:
             if self._websocket and self._websocket.state is State.OPEN:
                 return
-            logger.debug("Connecting to Cartesia TTS")
+            logger.debug("Connecting to Cartesia")
             self._websocket = await websocket_connect(
                 f"{self._url}?api_key={self._api_key}&cartesia_version={self._cartesia_version}"
             )
-            await self._call_event_handler("on_connected")
         except Exception as e:
             logger.error(f"{self} initialization error: {e}")
             self._websocket = None
@@ -366,7 +365,6 @@ class CartesiaTTSService(AudioContextWordTTSService):
         finally:
             self._context_id = None
             self._websocket = None
-            await self._call_event_handler("on_disconnected")
 
     def _get_websocket(self):
         if self._websocket:

src/pipecat/services/deepgram/flux/stt.py

@@ -205,7 +205,6 @@ class DeepgramFluxSTTService(WebsocketSTTService):
                 additional_headers={"Authorization": f"Token {self._api_key}"},
             )
             logger.debug("Connected to Deepgram Flux Websocket")
-            await self._call_event_handler("on_connected")
         except Exception as e:
             logger.error(f"{self} initialization error: {e}")
             self._websocket = None
@@ -226,9 +225,6 @@ class DeepgramFluxSTTService(WebsocketSTTService):
                 await self._websocket.close()
         except Exception as e:
             logger.error(f"{self} error closing websocket: {e}")
-        finally:
-            self._websocket = None
-            await self._call_event_handler("on_disconnected")
 
     async def _send_close_stream(self) -> None:
         """Sends a CloseStream control message to the Deepgram Flux WebSocket API.

src/pipecat/services/elevenlabs/tts.py

@@ -168,24 +168,16 @@ def build_elevenlabs_voice_settings(
 
 
 def calculate_word_times(
-    alignment_info: Mapping[str, Any],
-    cumulative_time: float,
-    partial_word: str = "",
-    partial_word_start_time: float = 0.0,
-) -> tuple[List[Tuple[str, float]], str, float]:
+    alignment_info: Mapping[str, Any], cumulative_time: float
+) -> List[Tuple[str, float]]:
     """Calculate word timestamps from character alignment information.
 
     Args:
         alignment_info: Character alignment data from ElevenLabs API.
         cumulative_time: Base time offset for this chunk.
-        partial_word: Partial word carried over from previous chunk.
-        partial_word_start_time: Start time of the partial word.
 
     Returns:
-        Tuple of (word_times, new_partial_word, new_partial_word_start_time):
-        - word_times: List of (word, timestamp) tuples for complete words
-        - new_partial_word: Incomplete word at end of chunk (empty if chunk ends with space)
-        - new_partial_word_start_time: Start time of the incomplete word
+        List of (word, timestamp) tuples.
     """
     chars = alignment_info["chars"]
     char_start_times_ms = alignment_info["charStartTimesMs"]
@@ -194,37 +186,41 @@ def calculate_word_times(
         logger.error(
             f"calculate_word_times: length mismatch - chars={len(chars)}, times={len(char_start_times_ms)}"
         )
-        return ([], partial_word, partial_word_start_time)
+        return []
 
     # Build words and track their start positions
     words = []
-    word_start_times = []
-    current_word = partial_word  # Start with any partial word from previous chunk
-    word_start_time = partial_word_start_time if partial_word else None
+    word_start_indices = []
+    current_word = ""
+    word_start_index = None
 
     for i, char in enumerate(chars):
         if char == " ":
             # End of current word
             if current_word:  # Only add non-empty words
                 words.append(current_word)
-                word_start_times.append(word_start_time)
+                word_start_indices.append(word_start_index)
                 current_word = ""
-                word_start_time = None
+                word_start_index = None
         else:
             # Building a word
-            if word_start_time is None:  # First character of new word
-                # Convert from milliseconds to seconds and add cumulative offset
-                word_start_time = cumulative_time + (char_start_times_ms[i] / 1000.0)
+            if word_start_index is None:  # First character of new word
+                word_start_index = i
             current_word += char
 
-    # Build result for complete words
-    word_times = list(zip(words, word_start_times))
+    # Handle the last word if there's no trailing space
+    if current_word and word_start_index is not None:
+        words.append(current_word)
+        word_start_indices.append(word_start_index)
 
-    # Return any incomplete word at the end of this chunk
-    new_partial_word = current_word if current_word else ""
-    new_partial_word_start_time = word_start_time if word_start_time is not None else 0.0
+    # Calculate timestamps for each word
+    word_times = []
+    for word, start_idx in zip(words, word_start_indices):
+        # Convert from milliseconds to seconds and add cumulative offset
+        start_time_seconds = cumulative_time + (char_start_times_ms[start_idx] / 1000.0)
+        word_times.append((word, start_time_seconds))
 
-    return (word_times, new_partial_word, new_partial_word_start_time)
+    return word_times
 
 
 class ElevenLabsTTSService(AudioContextWordTTSService):
@@ -336,9 +332,6 @@ class ElevenLabsTTSService(AudioContextWordTTSService):
         # there's an interruption or TTSStoppedFrame.
         self._started = False
         self._cumulative_time = 0
-        # Track partial words that span across alignment chunks
-        self._partial_word = ""
-        self._partial_word_start_time = 0.0
 
         # Context management for v1 multi API
         self._context_id = None
@@ -528,7 +521,6 @@ class ElevenLabsTTSService(AudioContextWordTTSService):
                 url, max_size=16 * 1024 * 1024, additional_headers={"xi-api-key": self._api_key}
             )
 
-            await self._call_event_handler("on_connected")
         except Exception as e:
             logger.error(f"{self} initialization error: {e}")
             self._websocket = None
@@ -551,7 +543,6 @@ class ElevenLabsTTSService(AudioContextWordTTSService):
             self._started = False
             self._context_id = None
             self._websocket = None
-            await self._call_event_handler("on_disconnected")
 
     def _get_websocket(self):
         if self._websocket:
@@ -579,8 +570,6 @@ class ElevenLabsTTSService(AudioContextWordTTSService):
                 logger.error(f"Error closing context on interruption: {e}")
             self._context_id = None
             self._started = False
-            self._partial_word = ""
-            self._partial_word_start_time = 0.0
 
     async def _receive_messages(self):
         """Handle incoming WebSocket messages from ElevenLabs."""
@@ -620,14 +609,7 @@ class ElevenLabsTTSService(AudioContextWordTTSService):
 
             if msg.get("alignment"):
                 alignment = msg["alignment"]
-                word_times, self._partial_word, self._partial_word_start_time = (
-                    calculate_word_times(
-                        alignment,
-                        self._cumulative_time,
-                        self._partial_word,
-                        self._partial_word_start_time,
-                    )
-                )
+                word_times = calculate_word_times(alignment, self._cumulative_time)
 
                 if word_times:
                     await self.add_word_timestamps(word_times)
@@ -701,8 +683,6 @@ class ElevenLabsTTSService(AudioContextWordTTSService):
                     yield TTSStartedFrame()
                     self._started = True
                     self._cumulative_time = 0
-                    self._partial_word = ""
-                    self._partial_word_start_time = 0.0
                     # If a context ID does not exist, create a new one and
                     # register it. If an ID exists, that means the Pipeline is
                     # configured for allow_interruptions=False, so continue
@@ -776,7 +756,6 @@ class ElevenLabsHttpTTSService(WordTTSService):
         base_url: str = "https://api.elevenlabs.io",
         sample_rate: Optional[int] = None,
         params: Optional[InputParams] = None,
-        aggregate_sentences: Optional[bool] = True,
         **kwargs,
     ):
         """Initialize the ElevenLabs HTTP TTS service.
@@ -789,11 +768,10 @@ class ElevenLabsHttpTTSService(WordTTSService):
             base_url: Base URL for ElevenLabs HTTP API.
             sample_rate: Audio sample rate. If None, uses default.
             params: Additional input parameters for voice customization.
-            aggregate_sentences: Whether to aggregate sentences within the TTSService.
             **kwargs: Additional arguments passed to the parent service.
         """
         super().__init__(
-            aggregate_sentences=aggregate_sentences,
+            aggregate_sentences=True,
             push_text_frames=False,
             push_stop_frames=True,
             sample_rate=sample_rate,
@@ -831,10 +809,6 @@ class ElevenLabsHttpTTSService(WordTTSService):
         # Store previous text for context within a turn
         self._previous_text = ""
 
-        # Track partial words that span across alignment chunks
-        self._partial_word = ""
-        self._partial_word_start_time = 0.0
-
     def language_to_service_language(self, language: Language) -> Optional[str]:
         """Convert pipecat Language to ElevenLabs language code.
 
@@ -862,8 +836,6 @@ class ElevenLabsHttpTTSService(WordTTSService):
         self._cumulative_time = 0
         self._started = False
         self._previous_text = ""
-        self._partial_word = ""
-        self._partial_word_start_time = 0.0
         logger.debug(f"{self}: Reset internal state")
 
     async def start(self, frame: StartFrame):
@@ -898,13 +870,11 @@ class ElevenLabsHttpTTSService(WordTTSService):
     def calculate_word_times(self, alignment_info: Mapping[str, Any]) -> List[Tuple[str, float]]:
         """Calculate word timing from character alignment data.
 
-        This method handles partial words that may span across multiple alignment chunks.
-
         Args:
             alignment_info: Character timing data from ElevenLabs.
 
         Returns:
-            List of (word, timestamp) pairs for complete words in this chunk.
+            List of (word, timestamp) pairs.
 
         Example input data::
 
@@ -930,28 +900,30 @@ class ElevenLabsHttpTTSService(WordTTSService):
         # Build the words and find their start times
         words = []
         word_start_times = []
-        # Start with any partial word from previous chunk
-        current_word = self._partial_word
-        word_start_time = self._partial_word_start_time if self._partial_word else None
+        current_word = ""
+        first_char_idx = -1
 
         for i, char in enumerate(chars):
             if char == " ":
                 if current_word:  # Only add non-empty words
                     words.append(current_word)
-                    word_start_times.append(word_start_time)
-                    current_word = ""
-                    word_start_time = None
-            else:
-                if word_start_time is None:  # First character of a new word
                     # Use time of the first character of the word, offset by cumulative time
-                    word_start_time = self._cumulative_time + char_start_times[i]
+                    word_start_times.append(
+                        self._cumulative_time + char_start_times[first_char_idx]
+                    )
+                    current_word = ""
+                    first_char_idx = -1
+            else:
+                if not current_word:  # This is the first character of a new word
+                    first_char_idx = i
                 current_word += char
 
-        # Store any incomplete word at the end of this chunk
-        self._partial_word = current_word if current_word else ""
-        self._partial_word_start_time = word_start_time if word_start_time is not None else 0.0
+        # Don't forget the last word if there's no trailing space
+        if current_word and first_char_idx >= 0:
+            words.append(current_word)
+            word_start_times.append(self._cumulative_time + char_start_times[first_char_idx])
 
-        # Create word-time pairs for complete words only
+        # Create word-time pairs
         word_times = list(zip(words, word_start_times))
 
         return word_times
@@ -987,9 +959,6 @@ class ElevenLabsHttpTTSService(WordTTSService):
         if self._voice_settings:
             payload["voice_settings"] = self._voice_settings
 
-        if self._settings["apply_text_normalization"] is not None:
-            payload["apply_text_normalization"] = self._settings["apply_text_normalization"]
-
         language = self._settings["language"]
         if self._model_name in ELEVENLABS_MULTILINGUAL_MODELS and language:
             payload["language_code"] = language
@@ -1010,6 +979,8 @@ class ElevenLabsHttpTTSService(WordTTSService):
         }
         if self._settings["optimize_streaming_latency"] is not None:
             params["optimize_streaming_latency"] = self._settings["optimize_streaming_latency"]
+        if self._settings["apply_text_normalization"] is not None:
+            params["apply_text_normalization"] = self._settings["apply_text_normalization"]
 
         try:
             await self.start_ttfb_metrics()
@@ -1070,14 +1041,6 @@ class ElevenLabsHttpTTSService(WordTTSService):
                         logger.error(f"Error processing response: {e}", exc_info=True)
                         continue
 
-                # After processing all chunks, emit any remaining partial word
-                # since this is the end of the utterance
-                if self._partial_word:
-                    final_word_time = [(self._partial_word, self._partial_word_start_time)]
-                    await self.add_word_timestamps(final_word_time)
-                    self._partial_word = ""
-                    self._partial_word_start_time = 0.0
-
                 # After processing all chunks, add the total utterance duration
                 # to the cumulative time to ensure next utterance starts after this one
                 if utterance_duration > 0:

src/pipecat/services/fish/tts.py

@@ -225,8 +225,6 @@ class FishAudioTTSService(InterruptibleTTSService):
             start_message = {"event": "start", "request": {"text": "", **self._settings}}
             await self._websocket.send(ormsgpack.packb(start_message))
             logger.debug("Sent start message to Fish Audio")
-
-            await self._call_event_handler("on_connected")
         except Exception as e:
             logger.error(f"Fish Audio initialization error: {e}")
             self._websocket = None
@@ -247,7 +245,6 @@ class FishAudioTTSService(InterruptibleTTSService):
             self._request_id = None
             self._started = False
             self._websocket = None
-            await self._call_event_handler("on_disconnected")
 
     async def flush_audio(self):
         """Flush any buffered audio by sending a flush event to Fish Audio."""

src/pipecat/services/google/stt.py

@@ -730,8 +730,6 @@ class GoogleSTTService(STTService):
         self._request_queue = asyncio.Queue()
         self._streaming_task = self.create_task(self._stream_audio())
 
-        await self._call_event_handler("on_connected")
-
     async def _disconnect(self):
         """Clean up streaming recognition resources."""
         if self._streaming_task:
@@ -739,8 +737,6 @@ class GoogleSTTService(STTService):
             await self.cancel_task(self._streaming_task)
             self._streaming_task = None
 
-        await self._call_event_handler("on_disconnected")
-
     async def _request_generator(self):
         """Generates requests for the streaming recognize method."""
         recognizer_path = f"projects/{self._project_id}/locations/{self._location}/recognizers/_"

src/pipecat/services/lmnt/tts.py

@@ -222,7 +222,6 @@ class LmntTTSService(InterruptibleTTSService):
             # Send initialization message
             await self._websocket.send(json.dumps(init_msg))
 
-            await self._call_event_handler("on_connected")
         except Exception as e:
             logger.error(f"{self} initialization error: {e}")
             self._websocket = None
@@ -244,7 +243,6 @@ class LmntTTSService(InterruptibleTTSService):
         finally:
             self._started = False
             self._websocket = None
-            await self._call_event_handler("on_disconnected")
 
     def _get_websocket(self):
         """Get the WebSocket connection if available."""

src/pipecat/services/neuphonic/tts.py

@@ -293,8 +293,6 @@ class NeuphonicTTSService(InterruptibleTTSService):
             headers = {"x-api-key": self._api_key}
 
             self._websocket = await websocket_connect(url, additional_headers=headers)
-
-            await self._call_event_handler("on_connected")
         except Exception as e:
             logger.error(f"{self} initialization error: {e}")
             self._websocket = None
@@ -313,7 +311,6 @@ class NeuphonicTTSService(InterruptibleTTSService):
         finally:
             self._started = False
             self._websocket = None
-            await self._call_event_handler("on_disconnected")
 
     async def _receive_messages(self):
         """Receive and process messages from Neuphonic WebSocket."""

src/pipecat/services/openai/tts.py

@@ -14,7 +14,6 @@ from typing import AsyncGenerator, Dict, Literal, Optional
 
 from loguru import logger
 from openai import AsyncOpenAI, BadRequestError
-from pydantic import BaseModel
 
 from pipecat.frames.frames import (
     ErrorFrame,
@@ -56,17 +55,6 @@ class OpenAITTSService(TTSService):
 
     OPENAI_SAMPLE_RATE = 24000  # OpenAI TTS always outputs at 24kHz
 
-    class InputParams(BaseModel):
-        """Input parameters for OpenAI TTS configuration.
-
-        Parameters:
-            instructions: Instructions to guide voice synthesis behavior.
-            speed: Voice speed control (0.25 to 4.0, default 1.0).
-        """
-
-        instructions: Optional[str] = None
-        speed: Optional[float] = None
-
     def __init__(
         self,
         *,
@@ -77,7 +65,6 @@ class OpenAITTSService(TTSService):
         sample_rate: Optional[int] = None,
         instructions: Optional[str] = None,
         speed: Optional[float] = None,
-        params: Optional[InputParams] = None,
         **kwargs,
     ):
         """Initialize OpenAI TTS service.
@@ -90,11 +77,7 @@ class OpenAITTSService(TTSService):
             sample_rate: Output audio sample rate in Hz. If None, uses OpenAI's default 24kHz.
             instructions: Optional instructions to guide voice synthesis behavior.
             speed: Voice speed control (0.25 to 4.0, default 1.0).
-            params: Optional synthesis controls (acting instructions, speed, ...).
             **kwargs: Additional keyword arguments passed to TTSService.
-
-                .. deprecated:: 0.0.91
-                        The `instructions` and `speed` parameters are deprecated, use `InputParams` instead.
         """
         if sample_rate and sample_rate != self.OPENAI_SAMPLE_RATE:
             logger.warning(
@@ -103,26 +86,12 @@ class OpenAITTSService(TTSService):
             )
         super().__init__(sample_rate=sample_rate, **kwargs)
 
+        self._speed = speed
         self.set_model_name(model)
         self.set_voice(voice)
+        self._instructions = instructions
         self._client = AsyncOpenAI(api_key=api_key, base_url=base_url)
 
-        if instructions or speed:
-            import warnings
-
-            with warnings.catch_warnings():
-                warnings.simplefilter("always")
-                warnings.warn(
-                    "The `instructions` and `speed` parameters are deprecated, use `InputParams` instead.",
-                    DeprecationWarning,
-                    stacklevel=2,
-                )
-
-        self._settings = {
-            "instructions": params.instructions if params else instructions,
-            "speed": params.speed if params else speed,
-        }
-
     def can_generate_metrics(self) -> bool:
         """Check if this service can generate processing metrics.
 
@@ -175,11 +144,11 @@ class OpenAITTSService(TTSService):
                 "response_format": "pcm",
             }
 
-            if self._settings["instructions"]:
-                create_params["instructions"] = self._settings["instructions"]
+            if self._instructions:
+                create_params["instructions"] = self._instructions
 
-            if self._settings["speed"]:
-                create_params["speed"] = self._settings["speed"]
+            if self._speed:
+                create_params["speed"] = self._speed
 
             async with self._client.audio.speech.with_streaming_response.create(
                 **create_params

src/pipecat/services/playht/tts.py

@@ -269,8 +269,6 @@ class PlayHTTTSService(InterruptibleTTSService):
                 raise ValueError("WebSocket URL is not a string")
 
             self._websocket = await websocket_connect(self._websocket_url)
-
-            await self._call_event_handler("on_connected")
         except ValueError as e:
             logger.error(f"{self} initialization error: {e}")
             self._websocket = None
@@ -293,7 +291,6 @@ class PlayHTTTSService(InterruptibleTTSService):
         finally:
             self._request_id = None
             self._websocket = None
-            await self._call_event_handler("on_disconnected")
 
     async def _get_websocket_url(self):
         """Retrieve WebSocket URL from PlayHT API."""

src/pipecat/services/rime/tts.py

@@ -255,8 +255,6 @@ class RimeTTSService(AudioContextWordTTSService):
             url = f"{self._url}?{params}"
             headers = {"Authorization": f"Bearer {self._api_key}"}
             self._websocket = await websocket_connect(url, additional_headers=headers)
-
-            await self._call_event_handler("on_connected")
         except Exception as e:
             logger.error(f"{self} initialization error: {e}")
             self._websocket = None
@@ -274,7 +272,6 @@ class RimeTTSService(AudioContextWordTTSService):
         finally:
             self._context_id = None
             self._websocket = None
-            await self._call_event_handler("on_disconnected")
 
     def _get_websocket(self):
         """Get active websocket connection or raise exception."""

src/pipecat/services/riva/stt.py

@@ -583,9 +583,7 @@ class RivaSegmentedSTTService(SegmentedSTTService):
             self._config.language_code = self._language
 
     @traced_stt
-    async def _handle_transcription(
-        self, transcript: str, is_final: bool, language: Optional[Language] = None
-    ):
+    async def _handle_transcription(self, transcript: str, language: Optional[Language] = None):
         """Handle a transcription result with tracing."""
         pass
 

src/pipecat/services/sarvam/tts.py

@@ -76,29 +76,17 @@ class SarvamHttpTTSService(TTSService):
 
     Example::
 
-        tts = SarvamHttpTTSService(
+        tts = SarvamTTSService(
             api_key="your-api-key",
             voice_id="anushka",
             model="bulbul:v2",
             aiohttp_session=session,
-            params=SarvamHttpTTSService.InputParams(
+            params=SarvamTTSService.InputParams(
                 language=Language.HI,
                 pitch=0.1,
                 pace=1.2
             )
         )
-
-        # For bulbul v3 beta with any speaker:
-        tts_v3 = SarvamHttpTTSService(
-            api_key="your-api-key",
-            voice_id="speaker_name",
-            model="bulbul:v3,
-            aiohttp_session=session,
-            params=SarvamHttpTTSService.InputParams(
-                language=Language.HI,
-                temperature=0.8
-            )
-        )
     """
 
     class InputParams(BaseModel):
@@ -117,14 +105,6 @@ class SarvamHttpTTSService(TTSService):
         pace: Optional[float] = Field(default=1.0, ge=0.3, le=3.0)
         loudness: Optional[float] = Field(default=1.0, ge=0.1, le=3.0)
         enable_preprocessing: Optional[bool] = False
-        temperature: Optional[float] = Field(
-            default=0.6,
-            ge=0.01,
-            le=1.0,
-            description="Controls the randomness of the output for bulbul v3 beta. "
-            "Lower values make the output more focused and deterministic, while "
-            "higher values make it more random. Range: 0.01 to 1.0. Default: 0.6.",
-        )
 
     def __init__(
         self,
@@ -144,7 +124,7 @@ class SarvamHttpTTSService(TTSService):
             api_key: Sarvam AI API subscription key.
             aiohttp_session: Shared aiohttp session for making requests.
             voice_id: Speaker voice ID (e.g., "anushka", "meera"). Defaults to "anushka".
-            model: TTS model to use ("bulbul:v2" or "bulbul:v3-beta" or "bulbul:v3"). Defaults to "bulbul:v2".
+            model: TTS model to use ("bulbul:v1" or "bulbul:v2"). Defaults to "bulbul:v2".
             base_url: Sarvam AI API base URL. Defaults to "https://api.sarvam.ai".
             sample_rate: Audio sample rate in Hz (8000, 16000, 22050, 24000). If None, uses default.
             params: Additional voice and preprocessing parameters. If None, uses defaults.
@@ -158,32 +138,16 @@ class SarvamHttpTTSService(TTSService):
         self._base_url = base_url
         self._session = aiohttp_session
 
-        # Build base settings common to all models
         self._settings = {
             "language": (
                 self.language_to_service_language(params.language) if params.language else "en-IN"
             ),
+            "pitch": params.pitch,
+            "pace": params.pace,
+            "loudness": params.loudness,
             "enable_preprocessing": params.enable_preprocessing,
         }
 
-        # Add model-specific parameters
-        if model in ("bulbul:v3-beta", "bulbul:v3"):
-            self._settings.update(
-                {
-                    "temperature": getattr(params, "temperature", 0.6),
-                    "model": model,
-                }
-            )
-        else:
-            self._settings.update(
-                {
-                    "pitch": params.pitch,
-                    "pace": params.pace,
-                    "loudness": params.loudness,
-                    "model": model,
-                }
-            )
-
         self.set_model_name(model)
         self.set_voice(voice_id)
 
@@ -311,18 +275,6 @@ class SarvamTTSService(InterruptibleTTSService):
                 pace=1.2
             )
         )
-
-        # For bulbul v3 beta with any speaker and temperature:
-        # Note: pace and loudness are not supported for bulbul v3 and bulbul v3 beta
-        tts_v3 = SarvamTTSService(
-            api_key="your-api-key",
-            voice_id="speaker_name",
-            model="bulbul:v3",
-            params=SarvamTTSService.InputParams(
-                language=Language.HI,
-                temperature=0.8
-            )
-        )
     """
 
     class InputParams(BaseModel):
@@ -358,14 +310,6 @@ class SarvamTTSService(InterruptibleTTSService):
         output_audio_codec: Optional[str] = "linear16"
         output_audio_bitrate: Optional[str] = "128k"
         language: Optional[Language] = Language.EN
-        temperature: Optional[float] = Field(
-            default=0.6,
-            ge=0.01,
-            le=1.0,
-            description="Controls the randomness of the output for bulbul v3 beta. "
-            "Lower values make the output more focused and deterministic, while "
-            "higher values make it more random. Range: 0.01 to 1.0. Default: 0.6.",
-        )
 
     def __init__(
         self,
@@ -385,7 +329,6 @@ class SarvamTTSService(InterruptibleTTSService):
         Args:
             api_key: Sarvam API key for authenticating TTS requests.
             model: Identifier of the Sarvam speech model (default "bulbul:v2").
-                Supports "bulbul:v2", "bulbul:v3-beta" and "bulbul:v3".
             voice_id: Voice identifier for synthesis (default "anushka").
             url: WebSocket URL for connecting to the TTS backend (default production URL).
             aiohttp_session: Optional shared aiohttp session. To maintain backward compatibility.
@@ -428,12 +371,15 @@ class SarvamTTSService(InterruptibleTTSService):
         self._api_key = api_key
         self.set_model_name(model)
         self.set_voice(voice_id)
-        # Build base settings common to all models
+        # Configuration parameters
         self._settings = {
             "target_language_code": (
                 self.language_to_service_language(params.language) if params.language else "en-IN"
             ),
+            "pitch": params.pitch,
+            "pace": params.pace,
             "speaker": voice_id,
+            "loudness": params.loudness,
             "speech_sample_rate": 0,
             "enable_preprocessing": params.enable_preprocessing,
             "min_buffer_size": params.min_buffer_size,
@@ -441,24 +387,6 @@ class SarvamTTSService(InterruptibleTTSService):
             "output_audio_codec": params.output_audio_codec,
             "output_audio_bitrate": params.output_audio_bitrate,
         }
-
-        # Add model-specific parameters
-        if model in ("bulbul:v3-beta", "bulbul:v3"):
-            self._settings.update(
-                {
-                    "temperature": getattr(params, "temperature", 0.6),
-                    "model": model,
-                }
-            )
-        else:
-            self._settings.update(
-                {
-                    "pitch": params.pitch,
-                    "pace": params.pace,
-                    "loudness": params.loudness,
-                    "model": model,
-                }
-            )
         self._started = False
 
         self._receive_task = None
@@ -597,7 +525,6 @@ class SarvamTTSService(InterruptibleTTSService):
             logger.debug("Connected to Sarvam TTS Websocket")
             await self._send_config()
 
-            await self._call_event_handler("on_connected")
         except Exception as e:
             logger.error(f"{self} initialization error: {e}")
             self._websocket = None
@@ -629,10 +556,6 @@ class SarvamTTSService(InterruptibleTTSService):
                 await self._websocket.close()
         except Exception as e:
             logger.error(f"{self} error closing websocket: {e}")
-        finally:
-            self._started = False
-            self._websocket = None
-            await self._call_event_handler("on_disconnected")
 
     def _get_websocket(self):
         if self._websocket:

src/pipecat/services/speechmatics/stt.py

@@ -577,7 +577,6 @@ class SpeechmaticsSTTService(STTService):
                 ),
             )
             logger.debug(f"{self} Connected to Speechmatics STT service")
-            await self._call_event_handler("on_connected")
         except Exception as e:
             logger.error(f"{self} Error connecting to Speechmatics: {e}")
             self._client = None
@@ -596,7 +595,6 @@ class SpeechmaticsSTTService(STTService):
             logger.error(f"{self} Error closing Speechmatics client: {e}")
         finally:
             self._client = None
-            await self._call_event_handler("on_disconnected")
 
     def _process_config(self) -> None:
         """Create a formatted STT transcription config.
@@ -620,7 +618,7 @@ class SpeechmaticsSTTService(STTService):
             transcription_config.additional_vocab = [
                 {
                     "content": e.content,
-                    **({"sounds_like": e.sounds_like} if e.sounds_like else {}),
+                    "sounds_like": e.sounds_like,
                 }
                 for e in self._params.additional_vocab
             ]

src/pipecat/services/stt_service.py

@@ -35,25 +35,6 @@ class STTService(AIService):
     Provides common functionality for STT services including audio passthrough,
     muting, settings management, and audio processing. Subclasses must implement
     the run_stt method to provide actual speech recognition.
-
-    Event handlers:
-        on_connected: Called when connected to the STT service.
-        on_connected: Called when disconnected from the STT service.
-        on_connection_error: Called when a connection to the STT service error occurs.
-
-    Example::
-
-        @stt.event_handler("on_connected")
-        async def on_connected(stt: STTService):
-            logger.debug(f"STT connected")
-
-        @stt.event_handler("on_disconnected")
-        async def on_disconnected(stt: STTService):
-            logger.debug(f"STT disconnected")
-
-        @stt.event_handler("on_connection_error")
-        async def on_connection_error(stt: STTService, error: str):
-            logger.error(f"STT connection error: {error}")
     """
 
     def __init__(
@@ -81,10 +62,6 @@ class STTService(AIService):
         self._muted: bool = False
         self._user_id: str = ""
 
-        self._register_event_handler("on_connected")
-        self._register_event_handler("on_disconnected")
-        self._register_event_handler("on_connection_error")
-
     @property
     def is_muted(self) -> bool:
         """Check if the STT service is currently muted.
@@ -315,6 +292,15 @@ class WebsocketSTTService(STTService, WebsocketService):
 
     Combines STT functionality with websocket connectivity, providing automatic
     error handling and reconnection capabilities.
+
+    Event handlers:
+        on_connection_error: Called when a websocket connection error occurs.
+
+    Example::
+
+        @stt.event_handler("on_connection_error")
+        async def on_connection_error(stt: STTService, error: str):
+            logger.error(f"STT connection error: {error}")
     """
 
     def __init__(self, *, reconnect_on_error: bool = True, **kwargs):
@@ -326,6 +312,7 @@ class WebsocketSTTService(STTService, WebsocketService):
         """
         STTService.__init__(self, **kwargs)
         WebsocketService.__init__(self, reconnect_on_error=reconnect_on_error, **kwargs)
+        self._register_event_handler("on_connection_error")
 
     async def _report_error(self, error: ErrorFrame):
         await self._call_event_handler("on_connection_error", error.error)

src/pipecat/services/tts_service.py

@@ -59,25 +59,6 @@ class TTSService(AIService):
     Provides common functionality for TTS services including text aggregation,
     filtering, audio generation, and frame management. Supports configurable
     sentence aggregation, silence insertion, and frame processing control.
-
-    Event handlers:
-        on_connected: Called when connected to the STT service.
-        on_connected: Called when disconnected from the STT service.
-        on_connection_error: Called when a connection to the STT service error occurs.
-
-    Example::
-
-        @tts.event_handler("on_connected")
-        async def on_connected(tts: TTSService):
-            logger.debug(f"TTS connected")
-
-        @tts.event_handler("on_disconnected")
-        async def on_disconnected(tts: TTSService):
-            logger.debug(f"TTS disconnected")
-
-        @tts.event_handler("on_connection_error")
-        async def on_connection_error(stt: TTSService, error: str):
-            logger.error(f"TTS connection error: {error}")
     """
 
     def __init__(
@@ -162,10 +143,6 @@ class TTSService(AIService):
 
         self._processing_text: bool = False
 
-        self._register_event_handler("on_connected")
-        self._register_event_handler("on_disconnected")
-        self._register_event_handler("on_connection_error")
-
     @property
     def sample_rate(self) -> int:
         """Get the current sample rate for audio output.
@@ -649,6 +626,7 @@ class WebsocketTTSService(TTSService, WebsocketService):
         """
         TTSService.__init__(self, **kwargs)
         WebsocketService.__init__(self, reconnect_on_error=reconnect_on_error, **kwargs)
+        self._register_event_handler("on_connection_error")
 
     async def _report_error(self, error: ErrorFrame):
         await self._call_event_handler("on_connection_error", error.error)
@@ -700,6 +678,15 @@ class WebsocketWordTTSService(WordTTSService, WebsocketService):
     """Base class for websocket-based TTS services that support word timestamps.
 
     Combines word timestamp functionality with websocket connectivity.
+
+    Event handlers:
+        on_connection_error: Called when a websocket connection error occurs.
+
+    Example::
+
+        @tts.event_handler("on_connection_error")
+        async def on_connection_error(tts: TTSService, error: str):
+            logger.error(f"TTS connection error: {error}")
     """
 
     def __init__(self, *, reconnect_on_error: bool = True, **kwargs):
@@ -711,6 +698,7 @@ class WebsocketWordTTSService(WordTTSService, WebsocketService):
         """
         WordTTSService.__init__(self, **kwargs)
         WebsocketService.__init__(self, reconnect_on_error=reconnect_on_error, **kwargs)
+        self._register_event_handler("on_connection_error")
 
     async def _report_error(self, error: ErrorFrame):
         await self._call_event_handler("on_connection_error", error.error)

src/pipecat/transports/base_input.py

@@ -232,9 +232,6 @@ class BaseInputTransport(FrameProcessor):
         """
         # Cancel and wait for the audio input task to finish.
         await self._cancel_audio_task()
-        # Stop audio filter.
-        if self._params.audio_in_filter:
-            await self._params.audio_in_filter.stop()
 
     async def set_transport_ready(self, frame: StartFrame):
         """Called when the transport is ready to stream.

src/pipecat/transports/base_output.py

@@ -293,15 +293,15 @@ class BaseOutputTransport(FrameProcessor):
         """
         await super().process_frame(frame, direction)
 
+        #
+        # System frames (like InterruptionFrame) are pushed immediately. Other
+        # frames require order so they are put in the sink queue.
+        #
         if isinstance(frame, StartFrame):
             # Push StartFrame before start(), because we want StartFrame to be
             # processed by every processor before any other frame is processed.
             await self.push_frame(frame, direction)
             await self.start(frame)
-        elif isinstance(frame, EndFrame):
-            await self.stop(frame)
-            # Keep pushing EndFrame down so all the pipeline stops nicely.
-            await self.push_frame(frame, direction)
         elif isinstance(frame, CancelFrame):
             await self.cancel(frame)
             await self.push_frame(frame, direction)
@@ -314,6 +314,21 @@ class BaseOutputTransport(FrameProcessor):
             await self.write_dtmf(frame)
         elif isinstance(frame, SystemFrame):
             await self.push_frame(frame, direction)
+        # Control frames.
+        elif isinstance(frame, EndFrame):
+            await self.stop(frame)
+            # Keep pushing EndFrame down so all the pipeline stops nicely.
+            await self.push_frame(frame, direction)
+        elif isinstance(frame, MixerControlFrame):
+            await self._handle_frame(frame)
+        # Other frames.
+        elif isinstance(frame, OutputAudioRawFrame):
+            await self._handle_frame(frame)
+        elif isinstance(frame, (OutputImageRawFrame, SpriteFrame)):
+            await self._handle_frame(frame)
+        # TODO(aleix): Images and audio should support presentation timestamps.
+        elif frame.pts:
+            await self._handle_frame(frame)
         elif direction == FrameDirection.UPSTREAM:
             await self.push_frame(frame, direction)
         else:
@@ -395,13 +410,6 @@ class BaseOutputTransport(FrameProcessor):
 
             # Indicates if the bot is currently speaking.
             self._bot_speaking = False
-            # Last time a BotSpeakingFrame was pushed.
-            self._bot_speaking_frame_time = 0
-            # How often a BotSpeakingFrame should be pushed (value should be
-            # lower than the audio chunks).
-            self._bot_speaking_frame_period = 0.2
-            # Last time the bot actually spoke.
-            self._bot_speech_last_time = 0
 
             self._audio_task: Optional[asyncio.Task] = None
             self._video_task: Optional[asyncio.Task] = None
@@ -593,71 +601,39 @@ class BaseOutputTransport(FrameProcessor):
 
         async def _bot_started_speaking(self):
             """Handle bot started speaking event."""
-            if self._bot_speaking:
-                return
+            if not self._bot_speaking:
+                logger.debug(
+                    f"Bot{f' [{self._destination}]' if self._destination else ''} started speaking"
+                )
 
-            logger.debug(
-                f"Bot{f' [{self._destination}]' if self._destination else ''} started speaking"
-            )
+                downstream_frame = BotStartedSpeakingFrame()
+                downstream_frame.transport_destination = self._destination
+                upstream_frame = BotStartedSpeakingFrame()
+                upstream_frame.transport_destination = self._destination
+                await self._transport.push_frame(downstream_frame)
+                await self._transport.push_frame(upstream_frame, FrameDirection.UPSTREAM)
 
-            downstream_frame = BotStartedSpeakingFrame()
-            downstream_frame.transport_destination = self._destination
-            upstream_frame = BotStartedSpeakingFrame()
-            upstream_frame.transport_destination = self._destination
-            await self._transport.push_frame(downstream_frame)
-            await self._transport.push_frame(upstream_frame, FrameDirection.UPSTREAM)
-
-            self._bot_speaking = True
+                self._bot_speaking = True
 
         async def _bot_stopped_speaking(self):
             """Handle bot stopped speaking event."""
-            if not self._bot_speaking:
-                return
+            if self._bot_speaking:
+                logger.debug(
+                    f"Bot{f' [{self._destination}]' if self._destination else ''} stopped speaking"
+                )
 
-            logger.debug(
-                f"Bot{f' [{self._destination}]' if self._destination else ''} stopped speaking"
-            )
+                downstream_frame = BotStoppedSpeakingFrame()
+                downstream_frame.transport_destination = self._destination
+                upstream_frame = BotStoppedSpeakingFrame()
+                upstream_frame.transport_destination = self._destination
+                await self._transport.push_frame(downstream_frame)
+                await self._transport.push_frame(upstream_frame, FrameDirection.UPSTREAM)
 
-            downstream_frame = BotStoppedSpeakingFrame()
-            downstream_frame.transport_destination = self._destination
-            upstream_frame = BotStoppedSpeakingFrame()
-            upstream_frame.transport_destination = self._destination
-            await self._transport.push_frame(downstream_frame)
-            await self._transport.push_frame(upstream_frame, FrameDirection.UPSTREAM)
+                self._bot_speaking = False
 
-            self._bot_speaking = False
-
-            # Clean audio buffer (there could be tiny left overs if not multiple
-            # to our output chunk size).
-            self._audio_buffer = bytearray()
-
-        async def _bot_currently_speaking(self):
-            """Handle bot speaking event."""
-            await self._bot_started_speaking()
-
-            diff_time = time.time() - self._bot_speaking_frame_time
-            if diff_time >= self._bot_speaking_frame_period:
-                await self._transport.push_frame(BotSpeakingFrame())
-                await self._transport.push_frame(BotSpeakingFrame(), FrameDirection.UPSTREAM)
-                self._bot_speaking_frame_time = time.time()
-
-            self._bot_speech_last_time = time.time()
-
-        async def _maybe_bot_currently_speaking(self, frame: SpeechOutputAudioRawFrame):
-            if not is_silence(frame.audio):
-                await self._bot_currently_speaking()
-            else:
-                silence_duration = time.time() - self._bot_speech_last_time
-                if silence_duration > BOT_VAD_STOP_SECS:
-                    await self._bot_stopped_speaking()
-
-        async def _handle_bot_speech(self, frame: Frame):
-            # TTS case.
-            if isinstance(frame, TTSAudioRawFrame):
-                await self._bot_currently_speaking()
-            # Speech stream case.
-            elif isinstance(frame, SpeechOutputAudioRawFrame):
-                await self._maybe_bot_currently_speaking(frame)
+                # Clean audio buffer (there could be tiny left overs if not multiple
+                # to our output chunk size).
+                self._audio_buffer = bytearray()
 
         async def _handle_frame(self, frame: Frame):
             """Handle various frame types with appropriate processing.
@@ -665,9 +641,7 @@ class BaseOutputTransport(FrameProcessor):
             Args:
                 frame: The frame to handle.
             """
-            if isinstance(frame, OutputAudioRawFrame):
-                await self._handle_bot_speech(frame)
-            elif isinstance(frame, OutputImageRawFrame):
+            if isinstance(frame, OutputImageRawFrame):
                 await self._set_video_image(frame)
             elif isinstance(frame, SpriteFrame):
                 await self._set_video_images(frame.images)
@@ -731,7 +705,39 @@ class BaseOutputTransport(FrameProcessor):
 
         async def _audio_task_handler(self):
             """Main audio processing task handler."""
+            # Push a BotSpeakingFrame every 200ms, we don't really need to push it
+            # at every audio chunk. If the audio chunk is bigger than 200ms, push at
+            # every audio chunk.
+            TOTAL_CHUNK_MS = self._params.audio_out_10ms_chunks * 10
+            BOT_SPEAKING_CHUNK_PERIOD = max(int(200 / TOTAL_CHUNK_MS), 1)
+            bot_speaking_counter = 0
+            speech_last_speaking_time = 0
+
             async for frame in self._next_frame():
+                # Notify the bot started speaking upstream if necessary and that
+                # it's actually speaking.
+                is_speaking = False
+                if isinstance(frame, TTSAudioRawFrame):
+                    is_speaking = True
+                elif isinstance(frame, SpeechOutputAudioRawFrame):
+                    if not is_silence(frame.audio):
+                        is_speaking = True
+                        speech_last_speaking_time = time.time()
+                    else:
+                        silence_duration = time.time() - speech_last_speaking_time
+                        if silence_duration > BOT_VAD_STOP_SECS:
+                            await self._bot_stopped_speaking()
+
+                if is_speaking:
+                    await self._bot_started_speaking()
+                    if bot_speaking_counter % BOT_SPEAKING_CHUNK_PERIOD == 0:
+                        await self._transport.push_frame(BotSpeakingFrame())
+                        await self._transport.push_frame(
+                            BotSpeakingFrame(), FrameDirection.UPSTREAM
+                        )
+                        bot_speaking_counter = 0
+                    bot_speaking_counter += 1
+
                 # No need to push EndFrame, it's pushed from process_frame().
                 if isinstance(frame, EndFrame):
                     break

src/pipecat/transports/smallwebrtc/connection.py

@@ -689,8 +689,3 @@ class SmallWebRTCConnection(BaseObject):
                 )()
                 if track:
                     track.set_enabled(signalling_message.enabled)
-
-    async def add_ice_candidate(self, candidate):
-        """Handle incoming ICE candidates."""
-        logger.debug(f"Adding remote candidate: {candidate}")
-        await self.pc.addIceCandidate(candidate)

src/pipecat/transports/smallwebrtc/request_handler.py

@@ -14,7 +14,6 @@ from dataclasses import dataclass
 from enum import Enum
 from typing import Any, Awaitable, Callable, Dict, List, Optional
 
-from aiortc.sdp import candidate_from_sdp
 from fastapi import HTTPException
 from loguru import logger
 
@@ -40,34 +39,6 @@ class SmallWebRTCRequest:
     request_data: Optional[Any] = None
 
 
-@dataclass
-class IceCandidate:
-    """The remote ice candidate object received from the peer connection.
-
-    Parameters:
-        candidate: The ice candidate patch SDP string (Session Description Protocol).
-        sdp_mid: The SDP mid for the candidate patch.
-        sdp_mline_index: The SDP mline index for the candidate patch.
-    """
-
-    candidate: str
-    sdp_mid: str
-    sdp_mline_index: int
-
-
-@dataclass
-class SmallWebRTCPatchRequest:
-    """Small WebRTC transport session arguments for the runner.
-
-    Parameters:
-        pc_id: Identifier for the peer connection.
-        candidates: A list of ICE candidate patches.
-    """
-
-    pc_id: str
-    candidates: List[IceCandidate]
-
-
 class ConnectionMode(Enum):
     """Enum defining the connection handling modes."""
 
@@ -226,19 +197,6 @@ class SmallWebRTCRequestHandler:
             logger.debug(f"SmallWebRTC request details: {request}")
             raise
 
-    async def handle_patch_request(self, request: SmallWebRTCPatchRequest):
-        """Handle a SmallWebRTC patch candidate request."""
-        peer_connection = self._pcs_map.get(request.pc_id)
-
-        if not peer_connection:
-            raise HTTPException(status_code=404, detail="Peer connection not found")
-
-        for c in request.candidates:
-            candidate = candidate_from_sdp(c.candidate)
-            candidate.sdpMid = c.sdp_mid
-            candidate.sdpMLineIndex = c.sdp_mline_index
-            await peer_connection.add_ice_candidate(candidate)
-
     async def close(self):
         """Clear the connection map."""
         coros = [pc.disconnect() for pc in self._pcs_map.values()]

tests/test_pipeline.py

@@ -254,7 +254,7 @@ class TestPipelineTask(unittest.IsolatedAsyncioTestCase):
 
         try:
             await asyncio.wait_for(
-                task.run(PipelineTaskParams(loop=asyncio.get_event_loop())),
+                asyncio.shield(task.run(PipelineTaskParams(loop=asyncio.get_event_loop()))),
                 timeout=1.0,
             )
         except asyncio.TimeoutError:
@@ -290,7 +290,7 @@ class TestPipelineTask(unittest.IsolatedAsyncioTestCase):
         await task.queue_frame(TextFrame(text="Hello!"))
         try:
             await asyncio.wait_for(
-                task.run(PipelineTaskParams(loop=asyncio.get_event_loop())),
+                asyncio.shield(task.run(PipelineTaskParams(loop=asyncio.get_event_loop()))),
                 timeout=1.0,
             )
         except asyncio.TimeoutError:
@@ -301,8 +301,11 @@ class TestPipelineTask(unittest.IsolatedAsyncioTestCase):
         identity = IdentityFilter()
         pipeline = Pipeline([identity])
         task = PipelineTask(pipeline, idle_timeout_secs=0.2)
-        # This shouldn't freeze, so nothing to check really.
-        await task.run(PipelineTaskParams(loop=asyncio.get_event_loop()))
+        try:
+            await task.run(PipelineTaskParams(loop=asyncio.get_event_loop()))
+            assert False
+        except asyncio.CancelledError:
+            assert True
 
     async def test_no_idle_task(self):
         identity = IdentityFilter()
@@ -310,7 +313,7 @@ class TestPipelineTask(unittest.IsolatedAsyncioTestCase):
         task = PipelineTask(pipeline, idle_timeout_secs=0.2, cancel_on_idle_timeout=False)
         try:
             await asyncio.wait_for(
-                task.run(PipelineTaskParams(loop=asyncio.get_event_loop())),
+                asyncio.shield(task.run(PipelineTaskParams(loop=asyncio.get_event_loop()))),
                 timeout=0.3,
             )
         except asyncio.TimeoutError:
@@ -329,7 +332,11 @@ class TestPipelineTask(unittest.IsolatedAsyncioTestCase):
             ),
             idle_timeout_secs=0.3,
         )
-        await task.run(PipelineTaskParams(loop=asyncio.get_event_loop()))
+        try:
+            await task.run(PipelineTaskParams(loop=asyncio.get_event_loop()))
+            assert False
+        except asyncio.CancelledError:
+            assert True
 
     async def test_idle_task_event_handler_no_frames(self):
         identity = IdentityFilter()
@@ -344,8 +351,11 @@ class TestPipelineTask(unittest.IsolatedAsyncioTestCase):
             idle_timeout = True
             await task.cancel()
 
-        await task.run(PipelineTaskParams(loop=asyncio.get_event_loop()))
-        assert idle_timeout
+        try:
+            await task.run(PipelineTaskParams(loop=asyncio.get_event_loop()))
+            assert False
+        except asyncio.CancelledError:
+            assert idle_timeout
 
     async def test_idle_task_event_handler_quiet_user(self):
         identity = IdentityFilter()
@@ -406,15 +416,12 @@ class TestPipelineTask(unittest.IsolatedAsyncioTestCase):
             asyncio.create_task(delayed_frames()),
         ]
 
-        _, pending = await asyncio.wait(tasks, return_when=asyncio.FIRST_COMPLETED)
+        await asyncio.wait(tasks, return_when=asyncio.FIRST_COMPLETED)
 
         diff_time = time.time() - start_time
 
         self.assertGreater(diff_time, sleep_time_secs * 3)
 
-        # Wait for the pending tasks to complete.
-        await asyncio.gather(*pending)
-
     async def test_task_cancel_timeout(self):
         class CancelFilter(FrameProcessor):
             def __init__(self, **kwargs):

uv.lock

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