SimpleSoftwareIO\SMS\Drivers\CallFireSMS::send PHP Method

    public function send(OutgoingMessage $message)
    {
        $composeMessage = $message->composeMessage();
        //Convert to callfire format.
        $numbers = implode(',', $message->getTo());
        $data = ['To' => $numbers, 'Message' => $composeMessage];
        $this->buildCall('/text');
        $this->buildBody($data);
        $this->postRequest();
    }