iphone - CTTelephonyCenterAddObserver Private API not receiving disconnected event when call is connected and duration of call is more than 5/6 sec -


i using cttelephonycenteraddobserver(ct, null, callback, null, null, cfnotificationsuspensionbehaviorhold); log phone calls.

here code of call method

static void callback(cfnotificationcenterref center, void *observer, cfstringref name, const void *object, cfdictionaryref userinfo) {      nsstring *notifyname=(nsstring *)name;     if ([notifyname isequaltostring:@"kctcallstatuschangenotification"])     {          nsdictionary *info = (nsdictionary*)userinfo;          nsstring *state=[[info objectforkey:@"kctcallstatus"] stringvalue];         nslog(@"call status changed = %@",state);          if ([state isequaltostring:@"5"]){//disconnect             nslog(@"unanswered:%@",state);          }         if ([state isequaltostring:@"3"]){//outgoing             nslog(@"outgoing calls:%@",state);          }           if ([state isequaltostring:@"1"]){//connected              //call connected         }           callstate=[state intvalue];       } }

i receiving call events/states without issue in callback method. there problem disconnected state (5). problem when connected call disconnected , duration of call more 5/6 sec disconnected (5) state not received in callback method.

has else faced same issue , found solution of issue?


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