/**
  * Get handle from number
  *
  * @param integer $no
  * @return object|integer
  */
 public function getHandle($no)
 {
     if (is_object($no) and isset($no->Id)) {
         return $no;
     }
     return $this->client->Unit_FindByNumber(['number' => $no])->Unit_FindByNumberResult;
 }