diff --git a/Classes/LinphoneManager.m b/Classes/LinphoneManager.m
index 3ec024dd7..6e759060d 100644
--- a/Classes/LinphoneManager.m
+++ b/Classes/LinphoneManager.m
@@ -755,11 +755,6 @@ static void linphone_iphone_display_status(struct _LinphoneCore * lc, const char
         }
     }
 
-    if(state == LinphoneCallStreamsRunning ){
-        [[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback error:nil];
-        [[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayAndRecord error:nil];
-    }
-
     if (state == LinphoneCallConnected && !mCallCenter) {
 		/*only register CT call center CB for connected call*/
 		[self setupGSMInteraction];