From 87ebbab7583ee39e9afa9e2a194b4a18740e7da5 Mon Sep 17 00:00:00 2001
From: Mark Backman <mark@daily.co>
Date: Thu, 21 Aug 2025 19:40:57 -0400
Subject: [PATCH] Only set/clear voicemail_event when voicemail is detected

---
 src/pipecat/extensions/voicemail/voicemail_detector.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/pipecat/extensions/voicemail/voicemail_detector.py b/src/pipecat/extensions/voicemail/voicemail_detector.py
index 47a2e5c46..52b7feeab 100644
--- a/src/pipecat/extensions/voicemail/voicemail_detector.py
+++ b/src/pipecat/extensions/voicemail/voicemail_detector.py
@@ -280,11 +280,13 @@ class ClassificationProcessor(FrameProcessor):
 
         elif isinstance(frame, UserStartedSpeakingFrame):
             # User started speaking - set the voicemail event
-            self._voicemail_event.set()
+            if self._voicemail_detected:
+                self._voicemail_event.set()
 
         elif isinstance(frame, UserStoppedSpeakingFrame):
             # User stopped speaking - clear the voicemail event
-            self._voicemail_event.clear()
+            if self._voicemail_detected:
+                self._voicemail_event.clear()
 
         else:
             # Pass all non-LLM frames through