ios - Quickblox webrtc video call receive method is not called -

quickblox webrtc video call receive method not called .i call accept call , can communicate while calling me not geting call. `

- (void)didreceivenewsession:(qbrtcsession *)session userinfo:(nsdictionary *)userinfo {  if (self.session ) {      [session rejectcall:@{@"reject" : @"busy"}];     return; }  self.session = session;  [qbrtcsoundrouter.instance initialize];  nsparameterassert(!self.nav);  incomingcallviewcontroller *incomingviewcontroller = [self.storyboard instantiateviewcontrollerwithidentifier:@"incomingcallviewcontroller"]; incomingviewcontroller.delegate = self; incomingviewcontroller.session = session; incomingviewcontroller.usersdatasource = self.datasource;  self.nav = [[uinavigationcontroller alloc] initwithrootviewcontroller:incomingviewcontroller]; [self presentviewcontroller:self.nav animated:no completion:nil];  } 

the quickblox webrtc video call receive method called when user online make sure add in -

(void)viewdidload{  [qbrequest loginwithuserlogin:@"xxxxxx"                          password:@"xxxxx"                      successblock:^(qbresponse * _nonnull response, qbuuser * _nullable user)      { }]; [[qbchat instance] connectwithuser:self.user completion:^(nserror * _nullable error) {         nslog(@"user%@",self.user);  }]; } 

it called.