/**
  * get snom_phone by id
  *
  * @param string $_id
  * @return Tinebase_Record_RecordSet of subtype Voipmanager_Model_Snom_Phone
  */
 public function get($_id)
 {
     $phone = $this->_backend->get($_id);
     $this->_resolveRightsAndLines($phone);
     return $phone;
 }