public static bool Connect(IMobileAccount account1, IMobileAccount account2)
 {
     account1 = _repository.GetMobileAccountByPhoneNumber(account1.PhoneNumber);
     account2 = _repository.GetMobileAccountByPhoneNumber(account2.PhoneNumber);
     if (account1.PhoneNumber == account2.PhoneNumber)
     {
         return(false);
     }
     if (_repository.Containts(account1.PhoneNumber) && _repository.Containts(account2.PhoneNumber))
     {
         SendInfoMessage(account1, 1m);
         account2.GetCallEvent += ShowMessage;
         account2.GetCall(account1);
         _repository.SetMobileAccountChanges((MobileAccount)account1);
         return(true);
     }
     return(false);
 }