protected function makeCall(TwilioCallMessage $message, $to)
    {
        $params = [
            'url' => trim($message->content),
        ];

        $this->fillOptionalParams($params, $message, [
            'statusCallback',
            'statusCallbackMethod',
            'method',
            'status',
            'fallbackUrl',
            'fallbackMethod',
        ]);

        if (! $from = $this->getFrom($message)) {
            throw CouldNotSendNotification::missingFrom();
        }

        return $this->twilioService->calls->create(
            $to,
            $from,
            $params
        );
    }