/**
  * Set a newline into log
  * @access private
  * @param string $message 
  * @uses Log_Voipzilla::save() Save a newline in log
  */
 private function _log($message)
 {
     // Tranforming multiple lines in just one
     $message = preg_replace("/(\r\n|\n|\r)+/", " ", $message);
     $res = Log_Voipzilla::save("[MESSAGE]" . $message);
     if ($this->verbose) {
         echo $res;
     }
 }