iOS 13 Killing app because it never posted an incoming call to the system after receiving a PushKit VoIP callback
On this thread from apple forums, someone from apple staff explained this: On iOS 13.0 and later, incoming Voice over IP calls must be reported when they are received and before the didReceiceIncomingPush() method finishes execution, using the CallKit framework, or the system will terminate your app. Repeatedly failing to report calls may prevent your … Read more