diff --git a/Classes/LinphoneAppDelegate.m b/Classes/LinphoneAppDelegate.m
index bcb6c6957..a456eea38 100644
--- a/Classes/LinphoneAppDelegate.m
+++ b/Classes/LinphoneAppDelegate.m
@@ -441,12 +441,8 @@
 		return;
 	}
 
-	if ([self addLongTaskIDforCallID:callId] && [UIApplication sharedApplication].applicationState != UIApplicationStateActive) {
-		if ([loc_key isEqualToString:@"IC_MSG"])
-			[LinphoneManager.instance startPushLongRunningTask:FALSE callId:callId];
-		else if ([loc_key isEqualToString:@"IM_MSG"])
-			[LinphoneManager.instance startPushLongRunningTask:TRUE callId:callId];
-	}
+	if ([self addLongTaskIDforCallID:callId] && [UIApplication sharedApplication].applicationState != UIApplicationStateActive)
+		[LinphoneManager.instance startPushLongRunningTask:loc_key callId:callId];
 
 	// if we receive a push notification, it is probably because our TCP background socket was no more working.
 	// As a result, break it and refresh registers in order to make sure to receive incoming INVITE or MESSAGE
diff --git a/Classes/LinphoneManager.h b/Classes/LinphoneManager.h
index 7f5f66259..76dc4fd23 100644
--- a/Classes/LinphoneManager.h
+++ b/Classes/LinphoneManager.h
@@ -109,6 +109,7 @@ typedef struct _LinphoneManagerSounds {
 	Connectivity connectivity;
 	UIBackgroundTaskIdentifier pausedCallBgTask;
 	UIBackgroundTaskIdentifier incallBgTask;
+	UIBackgroundTaskIdentifier pushBgTaskRefer;
 	UIBackgroundTaskIdentifier pushBgTaskCall;
 	UIBackgroundTaskIdentifier pushBgTaskMsg;
 	CTCallCenter* mCallCenter;
@@ -143,7 +144,7 @@ typedef struct _LinphoneManagerSounds {
 - (LinphoneCall *)callByCallId:(NSString *)call_id;
 - (void)cancelLocalNotifTimerForCallId:(NSString*)callid;
 - (void)alertLIME:(LinphoneChatRoom *)room;
-- (void)startPushLongRunningTask:(BOOL)msg callId:(NSString *)callId;
+- (void)startPushLongRunningTask:(NSString *)loc_key callId:(NSString *)callId;
 + (BOOL)langageDirectionIsRTL;
 + (void)kickOffNetworkConnection;
 - (void)setupNetworkReachabilityCallback;
diff --git a/Classes/LinphoneManager.m b/Classes/LinphoneManager.m
index 30b0b2c53..4ad81a3c8 100644
--- a/Classes/LinphoneManager.m
+++ b/Classes/LinphoneManager.m
@@ -2142,8 +2142,8 @@ static int comp_call_state_paused(const LinphoneCall *call, const void *param) {
 		 [[UIApplication sharedApplication] backgroundTimeRemaining]);
 }
 
-- (void)startPushLongRunningTask:(BOOL)msg callId:(NSString *)callId {
-	if (msg) {
+- (void)startPushLongRunningTask:(NSString *)loc_key callId:(NSString *)callId {
+	if ([loc_key isEqualToString:@"IM_MSG"]) {
 		[[UIApplication sharedApplication] endBackgroundTask:pushBgTaskMsg];
 		pushBgTaskMsg = 0;
 		pushBgTaskMsg = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{
@@ -2174,7 +2174,7 @@ static int comp_call_state_paused(const LinphoneCall *call, const void *param) {
 		}];
 		LOGI(@"Message long running task started for call-id [%@], remaining [%g s] because a push has been received",
 			 callId, [[UIApplication sharedApplication] backgroundTimeRemaining]);
-	} else {
+	} else if ([loc_key isEqualToString:@"IC_MSG"]) {
 		[[UIApplication sharedApplication] endBackgroundTask:pushBgTaskCall];
 		pushBgTaskCall = 0;
 		pushBgTaskCall = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{
@@ -2205,6 +2205,23 @@ static int comp_call_state_paused(const LinphoneCall *call, const void *param) {
 		}];
 		LOGI(@"Call long running task started for call-id [%@], remaining [%g s] because a push has been received",
 			 callId, [[UIApplication sharedApplication] backgroundTimeRemaining]);
+	} else if ([loc_key isEqualToString:@"IC_SIL"]) {
+		[[UIApplication sharedApplication] endBackgroundTask:pushBgTaskRefer];
+		pushBgTaskRefer = 0;
+		pushBgTaskRefer = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{
+			// Could be or not an error since the app doesn't know when to end the background task for a REFER
+			// TODO: Manage pushes in the SDK
+			if ([UIApplication sharedApplication].applicationState != UIApplicationStateActive)
+				LOGI(@"Incomming refer long running task with call-id [%@] has expired", callId);
+
+			for (NSString *key in [LinphoneManager.instance.pushDict allKeys]) {
+				[LinphoneManager.instance.pushDict setValue:[NSNumber numberWithInt:0] forKey:key];
+			}
+			[[UIApplication sharedApplication] endBackgroundTask:pushBgTaskRefer];
+			pushBgTaskRefer = 0;
+		}];
+		LOGI(@"Refer long running task started for call-id [%@], remaining [%g s] because a push has been received",
+			 callId, [[UIApplication sharedApplication] backgroundTimeRemaining]);
 	}
 }