core-telephony

I am trying to get Call events (call received, call ended etc) I tried to run sample code of CoreTelephonyDemo, but I am not getting any call events. Can anybody guide me for the same. I tried this code in applicationWillResignActive but I am not getting any events. Am I missing anything or doing anything wrong? Please guide . - (void)applicationWillResignActive:(UIApplication *)application { CTCallCenter *callCenter1 = [[CTCallCenter alloc] init]; callCenter1.callEventHandler=^(CTCall* call) { if (call.callState == CTCallStateDisconnected) { NSLog(@"Call has been disconnected"); } else if

How to find if a user changes his SIM card from his phone(iPhone). we can find "mobileCountryCode,isoCountryCode,mobileCountryCode and mobileNetworkCode" through programatically these are not specific to particular SIM, these are specific to operator, is there any way to identify when user changes his SIM card from his iPhone. Please any one help me on this. Thanks in advance. You are able to sign up for a notification using subscriberCellularProviderDidUpdateNotifier in CTTelephonyNetworkInfo However you will only be notified if the swap occurs while your app is running. You will still be

Is there any way of getting the mnc and mcc numbers on an iPhone? honcheng You need the CoreTelephony framework CTTelephonyNetworkInfo *networkInfo = [[CTTelephonyNetworkInfo alloc] init]; CTCarrier *carrier = [networkInfo subscriberCellularProvider]; to get MNC, NSString *mnc = [carrier mobileNetworkCode]; to get MCC, NSString *mcc = [carrier mobileCountryCode]; You can use the methods of the CTCarrier class to retrieve Country and network code. However this is only for the home provider (=SIM Card) and not the provider the phone is currently booked in, 来源： https://stackoverflow.com/questions

How does Navita https://itunes.apple.com/us/app/navita-t.e.m.-personal/id590228620?mt=8 manage to display a call log? If I swipe the app out of the task manager then it misses the calls, this indicates that it must presumably be using CTCallCenter's callEventHandler and is creating its own call log by saving the time/duration in response to the callEventHandler callbacks. However if that is the case then how does it manage to do this in the background? I was under the impression that callEventHandler can only be used by apps in the foreground and not in the background? The app is using