diff --git a/Classes/LinphoneAppDelegate.m b/Classes/LinphoneAppDelegate.m
index 2537e7949..e739de4a0 100644
--- a/Classes/LinphoneAppDelegate.m
+++ b/Classes/LinphoneAppDelegate.m
@@ -60,19 +60,12 @@
     CTCallCenter* ct = (CTCallCenter*) cCenter;
     
     int callCount = [ct.currentCalls count];
-    if (!callCount) {
-        [LinphoneLogger logc:LinphoneLoggerLog format:"No GSM call -> enabling SIP calls"];
-        linphone_core_set_max_calls([LinphoneManager getLc], 3);
-    } else {
-        [LinphoneLogger logc:LinphoneLoggerLog format:"%d GSM call(s) -> disabling SIP calls", callCount];
-        /* pause current call, if any */
-        LinphoneCall* call = linphone_core_get_current_call([LinphoneManager getLc]);
-        if (call) {
-            [LinphoneLogger logc:LinphoneLoggerLog format:"Pausing SIP call"];
-            linphone_core_pause_call([LinphoneManager getLc], call);
-        }
-        linphone_core_set_max_calls([LinphoneManager getLc], 0);
-    }
+     /* pause current call, if any */
+     LinphoneCall* call = linphone_core_get_current_call([LinphoneManager getLc]);
+     if (callCount>0 && call) {
+          [LinphoneLogger logc:LinphoneLoggerLog format:"Pausing SIP call"];
+          linphone_core_pause_call([LinphoneManager getLc], call);
+      }
 }
 
 - (void)applicationDidEnterBackground:(UIApplication *)application{
diff --git a/Classes/LinphoneManager.m b/Classes/LinphoneManager.m
index f6ab7e647..e6be143bc 100644
--- a/Classes/LinphoneManager.m
+++ b/Classes/LinphoneManager.m
@@ -360,7 +360,18 @@ static void linphone_iphone_display_status(struct _LinphoneCore * lc, const char
 
 - (void)onCall:(LinphoneCall*)call StateChanged:(LinphoneCallState)state withMessage:(const char *)message {
     // Handling wrapper
-    if(state == LinphoneCallReleased) {
+    
+	CTCallCenter* ct = [[CTCallCenter alloc] init];
+    
+    int callCount = [ct.currentCalls count];
+    if (callCount>0 && state==LinphoneCallIncomingReceived) {
+		[LinphoneLogger logc:LinphoneLoggerLog format:"Mobile call ongoing... rejecting call from [%s]",linphone_address_get_username(linphone_call_get_call_log(call)->from)];
+		linphone_core_terminate_call([LinphoneManager getLc], call);
+		return;
+	}
+	[ct release];
+	
+	if(state == LinphoneCallReleased) {
         if(linphone_call_get_user_pointer(call) != NULL) {
             free (linphone_call_get_user_pointer(call));
             linphone_call_set_user_pointer(call, NULL);