diff --git a/flags/telecom_callaudioroutestatemachine_flags.aconfig b/flags/telecom_callaudioroutestatemachine_flags.aconfig
index 28071fc..6f2c7fc 100644
--- a/flags/telecom_callaudioroutestatemachine_flags.aconfig
+++ b/flags/telecom_callaudioroutestatemachine_flags.aconfig
@@ -50,6 +50,13 @@
 }
 
 flag {
+  name: "reset_mute_when_entering_quiescent_bt_route"
+  namespace: "telecom"
+  description: "Reset mute state when entering quiescent bluetooth route."
+  bug: "311313250"
+}
+
+flag {
   name: "update_route_mask_when_bt_connected"
   namespace: "telecom"
   description: "Update supported route mask when Bluetooth devices audio connected."
diff --git a/src/com/android/server/telecom/CallAudioRouteStateMachine.java b/src/com/android/server/telecom/CallAudioRouteStateMachine.java
index c803de5..bfb76d8 100644
--- a/src/com/android/server/telecom/CallAudioRouteStateMachine.java
+++ b/src/com/android/server/telecom/CallAudioRouteStateMachine.java
@@ -17,7 +17,6 @@
 package com.android.server.telecom;
 
 
-import android.annotation.FlaggedApi;
 import android.app.ActivityManager;
 import android.bluetooth.BluetoothDevice;
 import android.content.BroadcastReceiver;
@@ -1074,6 +1073,9 @@
         public void enter() {
             super.enter();
             mHasUserExplicitlyLeftBluetooth = false;
+            if (mFeatureFlags.resetMuteWhenEnteringQuiescentBtRoute()) {
+                setMuteOn(false);
+            }
             updateInternalCallAudioState();
         }
 
diff --git a/tests/src/com/android/server/telecom/tests/CallAudioRouteStateMachineTest.java b/tests/src/com/android/server/telecom/tests/CallAudioRouteStateMachineTest.java
index d95d875..45aeffa 100644
--- a/tests/src/com/android/server/telecom/tests/CallAudioRouteStateMachineTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallAudioRouteStateMachineTest.java
@@ -1240,6 +1240,53 @@
 
     @SmallTest
     @Test
+    public void testQuiescentBluetoothRouteResetMute() {
+        when(mFeatureFlags.resetMuteWhenEnteringQuiescentBtRoute()).thenReturn(true);
+        CallAudioRouteStateMachine stateMachine = new CallAudioRouteStateMachine(
+                mContext,
+                mockCallsManager,
+                mockBluetoothRouteManager,
+                mockWiredHeadsetManager,
+                mockStatusBarNotifier,
+                mAudioServiceFactory,
+                CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
+                mThreadHandler.getLooper(),
+                Runnable::run /** do async stuff sync for test purposes */,
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
+        stateMachine.setCallAudioManager(mockCallAudioManager);
+
+        CallAudioState initState = new CallAudioState(false,
+                CallAudioState.ROUTE_BLUETOOTH, CallAudioState.ROUTE_SPEAKER
+                | CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH);
+        stateMachine.initialize(initState);
+
+        // Switch to active and mute
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
+                CallAudioRouteStateMachine.ACTIVE_FOCUS);
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.BT_AUDIO_CONNECTED);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        assertTrue(stateMachine.isInActiveState());
+
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.MUTE_ON);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        CallAudioState expectedState = new CallAudioState(true,
+                CallAudioState.ROUTE_BLUETOOTH, CallAudioState.ROUTE_SPEAKER
+                | CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH);
+        assertEquals(expectedState, stateMachine.getCurrentCallAudioState());
+
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
+                CallAudioRouteStateMachine.NO_FOCUS);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+
+        expectedState = new CallAudioState(false,
+                CallAudioState.ROUTE_BLUETOOTH, CallAudioState.ROUTE_SPEAKER
+                | CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH);
+        assertEquals(expectedState, stateMachine.getCurrentCallAudioState());
+    }
+
+    @SmallTest
+    @Test
     public void testSupportRouteMaskUpdateWhenBtAudioConnected() {
         when(mFeatureFlags.updateRouteMaskWhenBtConnected()).thenReturn(true);
         CallAudioRouteStateMachine stateMachine = new CallAudioRouteStateMachine(