/**
  * Check whether a short number is a possible number when dialled from a region, given the number
  * in the form of a string, and the region where the number is dialled from. This provides a more
  * lenient check than {@link #isValidShortNumber}.
  *
  * @param $shortNumber String The short number to check
  * @param $regionDialingFrom String Region dialing From
  * @return boolean whether the number is a possible short number
  */
 public function isPossibleShortNumberForRegion($shortNumber, $regionDialingFrom)
 {
     $phoneMetadata = $this->getMetadataForRegion($regionDialingFrom);
     if ($phoneMetadata === null) {
         return false;
     }
     $generalDesc = $phoneMetadata->getGeneralDesc();
     return $this->phoneUtil->isNumberPossibleForDesc($shortNumber, $generalDesc);
 }