diff --git a/Classes/LinphoneManager.m b/Classes/LinphoneManager.m
index c4c794a2a..37509cc35 100644
--- a/Classes/LinphoneManager.m
+++ b/Classes/LinphoneManager.m
@@ -989,6 +989,7 @@ static void linphone_iphone_display_status(struct _LinphoneCore *lc, const char
 	if (state == LinphoneCallConnected && !mCallCenter) {
 		/*only register CT call center CB for connected call*/
 		[self setupGSMInteraction];
+		[self setSpeakerEnabled:FALSE];
 	}
 
 	// Post event
diff --git a/Classes/LinphoneUI/UIVideoButton.m b/Classes/LinphoneUI/UIVideoButton.m
index accf67675..6b1b36ea7 100644
--- a/Classes/LinphoneUI/UIVideoButton.m
+++ b/Classes/LinphoneUI/UIVideoButton.m
@@ -58,7 +58,7 @@ INIT_WITH_COMMON_CF {
 
 	if (!linphone_core_video_display_enabled(LC))
 		return;
-
+	[LinphoneManager.instance setSpeakerEnabled:FALSE];
 	[self setEnabled:FALSE];
 	[waitView startAnimating];