private function reloadServices()
 {
     $pFax = new paloFax($this->_DB);
     $pEmail = new paloEmail($this->_DB);
     $flag = true;
     if (!$pFax->restartService()) {
         $this->errMsg .= $pFax->errMsg;
         $flag = false;
     }
     if (!$pEmail->reloadPostfix()) {
         $this->errMsg .= $pEmail->errMsg;
         $flag = false;
     }
     $sComando = '/usr/bin/elastix-helper asteriskconfig reload 2>&1';
     $output = $ret = NULL;
     exec($sComando, $output, $ret);
     if ($ret != 0) {
         $this->errMsg = implode('', $output);
         $flag = false;
     }
     return $flag;
 }