0917-found VoIP will be rejected

Very disappointed, the music tried, Viop tried, but reportedly will be rejected.

-(void) Applicationdidenterbackground: (uiapplication *) Application {

NSLog (@ "Go backstage");

[Application Beginbackgroundtaskwithexpirationhandler:nil];

BOOL backgroundaccepted = [[uiapplication sharedapplication] setkeepalivetimeout:600 handler:^{[self Backgroundhandler]; }];

if (backgroundaccepted)

{

NSLog (@ "backgrounding accepted");

}

[Self backgroundhandler];

}

static int counter = 0;

-(void) Backgroundhandler {

NSLog (@ "# #-->backgroundinghandler");

UIApplication *app = [UIApplication sharedapplication];

__block uibackgroundtaskidentifier bgtask = [App beginbackgroundtaskwithexpirationhandler:^{

[App Endbackgroundtask:bgtask];

Bgtask = Uibackgroundtaskinvalid;

}];

Start the long-running task

Dispatch_async (Dispatch_get_global_queue (dispatch_queue_priority_default, 0), ^{

while (1) {

NSLog (@ "Counter:%ld", counter++);

Sleep (1);

}

});

0917-found VoIP will be rejected