protected function createLabsMobileDriver()
    {
        $config = $this->app['config']->get('sms.labsmobile', []);

        $provider = new LabsMobileSMS(new Client());

        $auth = [
            'username' => $config['username'],
            'password' => $config['password'],
        ];

        $provider->buildBody($auth);

        return $provider;
    }