GCDAsyncSocket background VOIP

Question

I\'m trying to implement this(Configuring Sockets for VoIP Usage) using this(CocoaAsyncSocket). To the best of my knowledge step 1 I have done, adding VOIP to background servic

Answer 1

I realise this is an old question now - but you should call

 BOOL backgroundAccepted = [[UIApplication sharedApplication] setKeepAliveTimeout:600 handler:^{ [self backgroundHandler]; }];
 if (backgroundAccepted)
 {
      NSLog(@"VOIP backgrounding accepted");
 }

On app startup and use it all the time - the reason is, as you'll discover, is when the app is foregrounded, but the screen is LOCKED you don't receive the didEnterBackground call, and your app will be put to sleep 10-15 mins after the screen has locked, even though you are foregrounded