public function checkAllSubAccounts()
 {
     /*get all sub accounts */
     foreach ($this->sipAccountModel->subSipAccounts as $currentSubSipAccount) {
         if (Yii::app()->params['notifyEnabled']) {
             /*notify*/
             $checker = new SipAccountNotifier();
             $checker->check($currentSubSipAccount);
             /*end of notify*/
         }
         $this->check("getuserinfo", $this->sipAccountModel->username, $this->sipAccountModel->password, $currentSubSipAccount->username, $currentSubSipAccount->password, $currentSubSipAccount);
     }
 }