public function ipDeleteMonitoringNotification($id, $ip, $notificationId)
    {
        if (!$id)
            throw new BadMethodCallException('Missing parameter $id.');
        if (!$ip)
            throw new BadMethodCallException('Missing parameter $ip.');
        if (!$notificationId)
            throw new BadMethodCallException('Missing parameter $notificationId.');
        try {
            $r = $this->delete('xdsl/' . $id . '/ips/' . $ip . '/monitoringNotifications/' . $notificationId)->send();
        } catch (\Exception $e) {
            throw new XdslException($e->getMessage(), $e->getCode(), $e);
        }
        return;
    }