diff --git a/CHANGELOG.md b/CHANGELOG.md
index c131b1c82..9ffb9f36e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   the case where the user has hung up before the `TwilioFrameSerializer` hangs
   up the call.
 
+### Changed
+
+- The `UserIdleProcessor` now handles the scenario where function calls take
+  longer than the idle timeout duration. This allows you to use the
+  `UserIdleProcessor` in conjunction with function calls that take a while to
+  return a result.
+
 ### Performance
 
 - Remove unncessary push task in each `FrameProcessor`.
diff --git a/src/pipecat/processors/user_idle_processor.py b/src/pipecat/processors/user_idle_processor.py
index e98320b8b..5f6b25b95 100644
--- a/src/pipecat/processors/user_idle_processor.py
+++ b/src/pipecat/processors/user_idle_processor.py
@@ -15,6 +15,8 @@ from pipecat.frames.frames import (
     CancelFrame,
     EndFrame,
     Frame,
+    FunctionCallInProgressFrame,
+    FunctionCallResultFrame,
     StartFrame,
     UserStartedSpeakingFrame,
     UserStoppedSpeakingFrame,
@@ -168,6 +170,13 @@ class UserIdleProcessor(FrameProcessor):
                 self._idle_event.set()
             elif isinstance(frame, BotSpeakingFrame):
                 self._idle_event.set()
+            elif isinstance(frame, FunctionCallInProgressFrame):
+                # Function calls can take longer than the timeout, so we want to prevent idle callbacks
+                self._interrupted = True
+                self._idle_event.set()
+            elif isinstance(frame, FunctionCallResultFrame):
+                self._interrupted = False
+                self._idle_event.set()
 
     async def cleanup(self) -> None:
         """Cleans up resources when processor is shutting down."""