/**
* Plivo constructor.
* This is an extra layer to support dependency injection.
*/
public function __construct()
{
$this->auth_id = config('plivo.auth-id');
$this->auth_token = config('plivo.auth-token');
$this->url = config('plivo.api-url');
$this->version = config('plivo.api-version');
$this->api = $this->url . "/" . $this->version . "/Account/" . $this->auth_id;
parent::__construct($this->auth_id, $this->auth_token, $this->url, $this->version);
}