/**
  * Indicates if the device needs an AS version update
  *
  * @access public
  * @return boolean
  */
 public function AnnounceASVersion()
 {
     $latest = ZPush::GetSupportedASVersion();
     $announced = $this->device->GetAnnouncedASversion();
     $this->device->SetAnnouncedASversion($latest);
     return $announced != $latest;
 }