Dom/gemini system prompt switching (#1260)

* Updated example to use Gemini

* Fixed typo

* Based on feedback, made the gemini file something that can be called separately

* Updated the readme

* Updated the readme

* Changed example to use gemini 2.0 flash lite

* This works

* Improvement

* I think this works

* Updated the code to use the correct prompt broken down into smaller pieces

* Added a few more things to detect in the prompt

* Fixed import ordering

* Updated prompt for non gemini bot to look for more voicemail examples, plus added logic to detect if we're doing dialin or not to avoid a non-fatal dialin related error

* moved terminate call to handlers class

* Simplified logic for dialin

* Forgot to use the same logic for the openai bot

* Starting to add logic for native audio input for flash lite

* Fixed logic

* Fixed some code based on suggestions

examples/phone-chatbot/bot_daily.py

@@ -49,7 +49,11 @@ async def main(
     # If you are handling this via Twilio, Telnyx, set this to None
     # and handle call-forwarding when on_dialin_ready fires.
 
-    dialin_settings = DailyDialinSettings(call_id=callId, call_domain=callDomain)
+    # We don't want to specify dial-in settings if we're not dialing in
+    dialin_settings = None
+    if callId and callDomain:
+        dialin_settings = DailyDialinSettings(call_id=callId, call_domain=callDomain)
+
     transport = DailyTransport(
         room_url,
         token,
@@ -96,6 +100,13 @@ async def main(
             - **"Please leave a message after the beep."**
             - **"No one is available to take your call."**
             - **"Record your message after the tone."**
+            - **"Please leave a message after the beep"**
+            - **"You have reached voicemail for..."**
+            - **"You have reached [phone number]"**
+            - **"[phone number] is unavailable"**
+            - **"The person you are trying to reach..."**
+            - **"The number you have dialed..."**
+            - **"Your call has been forwarded to an automated voice messaging system"**
             - **Any phrase that suggests an answering machine or voicemail.**
             - **ASSUME IT IS A VOICEMAIL. DO NOT WAIT FOR MORE CONFIRMATION.**
             - **IF THE CALL SAYS "PLEASE LEAVE A MESSAGE AFTER THE BEEP", WAIT FOR THE BEEP BEFORE LEAVING A MESSAGE.**