public function getMatches($digits)
 {
     $indexes = array();
     $matches = array();
     $users = OpenVBX::getUsers(array('is_active' => 1));
     foreach ($users as $user) {
         $fname = $user->values['first_name'];
         $lname = $user->values['last_name'];
         $fdigits = $this->stringToDigits($fname);
         $ldigits = $this->stringToDigits($lname);
         if (stristr($fdigits, $digits) || stristr($ldigits, $digits)) {
             $matches[] = $user;
         }
     }
     return $matches;
 }