fix calls

Classes/CallManager.swift

@@ -354,8 +354,7 @@ import AVFoundation
 			Log.directLog(BCTBX_LOG_ERROR, text: "Failed to terminate call failed because \(error)")
 		}
 		if (UIApplication.shared.applicationState == .background) {
-			CoreManager.instance().stopIterateTimer()
-			lc!.stop()
+			CoreManager.instance().stopLinphoneCore()
 		}
 	}
 }

Classes/CoreManager.swift

@@ -56,4 +56,11 @@ import linphonesw
 			timer.invalidate()
 		}
 	}
+	
+	@objc func stopLinphoneCore() {
+		if (lc?.callsNb == 0) {
+			stopIterateTimer()
+			lc?.stop()
+		}
+	}
 }

Classes/LinphoneAppDelegate.m

@@ -58,13 +58,8 @@
 - (void)applicationDidEnterBackground:(UIApplication *)application {
 	LOGI(@"%@", NSStringFromSelector(_cmd));
 	[LinphoneManager.instance enterBackgroundMode];
-    LinphoneCall *call = linphone_core_get_current_call(LC);
-
-    if (!call) {
-        dispatch_async(dispatch_get_main_queue(), ^{
-			[LinphoneManager.instance stopLinphoneCore];
-		});
-    }
+  
+	[CoreManager.instance stopLinphoneCore];
 }
 
 - (void)applicationWillEnterForeground:(UIApplication *)application {

Classes/LinphoneManager.h

@@ -120,7 +120,6 @@ typedef struct _LinphoneManagerSounds {
 - (void)launchLinphoneCore;
 - (void)destroyLinphoneCore;
 - (void)startLinphoneCore;
-- (void)stopLinphoneCore;
 - (BOOL)resignActive;
 - (void)becomeActive;
 - (BOOL)enterBackgroundMode;

Classes/LinphoneManager.m

@@ -1274,11 +1274,6 @@ void popup_link_account_cb(LinphoneAccountCreator *creator, LinphoneAccountCreat
 	[CoreManager.instance startIterateTimer];
 }
 
-- (void)stopLinphoneCore {
-	[CoreManager.instance stopIterateTimer];
-    linphone_core_stop([LinphoneManager getLc]);
-}
-
 - (void)createLinphoneCore {
 	[self migrationAllPre];
 	if (theLinphoneCore != nil) {

Classes/PhoneMainView.m

@@ -441,7 +441,7 @@ static RootViewManager *rootViewManagerInstance = nil;
         case LinphoneCallReleased:
             if ([UIApplication sharedApplication].applicationState == UIApplicationStateBackground) {
                 dispatch_async(dispatch_get_main_queue(), ^{
-                    [LinphoneManager.instance stopLinphoneCore];
+					[CoreManager.instance stopLinphoneCore];
                 });
             }
             break;

Classes/ProviderDelegate.swift

@@ -89,6 +89,14 @@ class ProviderDelegate: NSObject {
 		Log.directLog(BCTBX_LOG_MESSAGE, text: "CallKit: report new incoming call with call-id: [\(String(describing: callId))] and UUID: [\(uuid.description)]")
 		provider.reportNewIncomingCall(with: uuid, update: update) { error in
 			if error == nil {
+				DispatchQueue.main.asyncAfter(deadline: .now() + 60) {// in 30 second
+					if (CallManager.instance().lc?.callsNb == 0 && !CallManager.instance().providerDelegate.callInfos.isEmpty ) {
+						Log.directLog(BCTBX_LOG_MESSAGE, text: "CallKit: end call which does not exist.")
+						for suuid in CallManager.instance().providerDelegate.uuids.values {
+							CallManager.instance().providerDelegate.endCallForError(uuid: suuid, endedAt: .init(), endedReason: .declinedElsewhere)
+						}
+					}
+				}
 			} else {
 				Log.directLog(BCTBX_LOG_ERROR, text: "CallKit: cannot complete incoming call with call-id: [\(String(describing: callId))] and UUID: [\(uuid.description)] from [\(handle)] caused by [\(error!.localizedDescription)]")
 				if (call == nil) {
@@ -104,15 +112,6 @@ class ProviderDelegate: NSObject {
 				}
 			}
 		}
-
-		DispatchQueue.main.asyncAfter(deadline: .now() + 30) {// in 30 second
-			if (CallManager.instance().lc?.callsNb == 0 && !CallManager.instance().providerDelegate.callInfos.isEmpty ) {
-				Log.directLog(BCTBX_LOG_MESSAGE, text: "CallKit: end call which does not exist.")
-				for suuid in CallManager.instance().providerDelegate.uuids.values {
-					CallManager.instance().providerDelegate.endCallForError(uuid: suuid, endedAt: .init(), endedReason: .declinedElsewhere)
-				}
-			}
-		}
 	}
 
 	func updateCall(uuid: UUID, handle: String, hasVideo: Bool = false) {