diff --git a/Classes/LinphoneUI/LinphoneManager.m b/Classes/LinphoneUI/LinphoneManager.m
index de012d74c..4757769fb 100644
--- a/Classes/LinphoneUI/LinphoneManager.m
+++ b/Classes/LinphoneUI/LinphoneManager.m
@@ -774,6 +774,8 @@ void networkReachabilityCallBack(SCNetworkReachabilityRef target, SCNetworkReach
 	BOOL bAudioInputAvailable= [audioSession inputIsAvailable];
     [audioSession setDelegate:self];
 	
+	NSError* err;
+	[audioSession setActive:NO error: &err]; 
 	if(!bAudioInputAvailable){
 		UIAlertView* error = [[UIAlertView alloc]	initWithTitle:NSLocalizedString(@"No microphone",nil)
 														message:NSLocalizedString(@"You need to plug a microphone to your device to use this application.",nil) 
diff --git a/submodules/linphone b/submodules/linphone
index 27891569d..2001ce8a8 160000
--- a/submodules/linphone
+++ b/submodules/linphone
@@ -1 +1 @@
-Subproject commit 27891569dd66344b618b1e5f5e986f25bcb9eeaa
+Subproject commit 2001ce8a8f32170223b182db840ef19afa9e256b