public function lineResetDslamPort($id, $line)
    {
        if (!$id)
            throw new BadMethodCallException('Missing parameter $id.');
        if (!$line)
            throw new BadMethodCallException('Missing parameter $line.');
        try {
            $r = $this->post('xdsl/' . $id . '/lines/' . $line . '/resetDslamPort')->send();
        } catch (\Exception $e) {
            throw new XdslException($e->getMessage(), $e->getCode(), $e);
        }
        return $r->getBody(true);
    }