خطای port 443: Timed out در ارتباط با درگاه بانک ملت

سلام
برای ارتباط با درگاه بانک ملت به این خطا میخورم :

خطا : HTTP Error: cURL ERROR: 28: Failed to connect to bpm.shaparak.ir port 443: Timed out

پکیج nusoap رو اضافه کردم به لاراول

    public function payment()
    {

        $terminalId = $this->terminalId;
        $userName = $this->userName;
        $userPassword = $this->password;
        $orderId = $this->orderId;
        $amount = $this->amount;
        $localDate = date('Ymd');
        $localTime = date('Gis');
        $additionalData = $this->additionalData;
        $callBackUrl = $this->callBackUrl;
        $payerId = "0";

        $parameters = array(
            'terminalId'     => $terminalId,
            'userName'       => $userName,
            'userPassword'   => $userPassword,
            'orderId'        => $orderId,
            'amount'         => $amount,
            'localDate'      => $localDate,
            'localTime'      => $localTime,
            'additionalData' => $additionalData,
            'callBackUrl'    => $callBackUrl,
            'payerId'        => $payerId
        );
        $client = new \nusoap_client('https://bpm.shaparak.ir/pgwchannel/services/pgw?wsdl');
        $client->setCurlOption(CURLOPT_CONNECTTIMEOUT, 1000);

        $namespace = 'http://interfaces.core.sw.bps.com/';

        $result = $client->call('bpCumulativeDynamicRequest', $parameters, $namespace);
        $wsaddr = '';
        if ($client->fault) {
            echo "خطایی در اتصال به بانک رخ داده است";
            exit;
        } else {
            $err = $client->getError();
            if ($err) {
                echo "خطا : " . $err;
                exit;
            } else {
                $res = explode(',', $result);
                $ResCode = $res[0];
                if ($ResCode == "0") {
                    ActlogController::add(19, true, $parameters, $result);

                    $wsaddr = 'https://bpm.shaparak.ir/pgwchannel/startpay.mellat';
?>
                    <form name="paymentform" id="paymentform" method="post" action="<?php echo $wsaddr; ?>">
                        <input type="hidden" name="TerminalId" value="<?php echo $terminalId; ?>">
                        <input type="hidden" name="UserName" value="<?php echo $userName; ?>">
                        <input type="hidden" name="UserPassword" value="<?php echo $userPassword; ?>">
                        <input type="hidden" name="PayDate" id="PayDate" value="<?php echo $localDate; ?>">
                        <input type="hidden" name="PayTime" id="PayTime" value="<?php echo $localTime; ?>">
                        <input type="hidden" name="PayAmount" id="PayAmount" value="<?php echo $amount; ?>">
                        <input type="hidden" name="PayOrderId" id="PayOrderId" value="<?php echo $orderId; ?>">
                        <input type="hidden" name="PayAdditionalData" id="PayAdditionalData" value="<?php echo $additionalData; ?>">
                        <input type="hidden" name="PayCallBackUrl" id="PayCallBackUrl" value="<?php echo $callBackUrl; ?>">
                        <input type="hidden" name="PayPayerId" id="PayPayerId" value="<?php echo $payerId; ?>">
                        <input type="hidden" name="RefId" id="RefId" value="<?php echo $res[1]; ?>">
                    </form>

                    <br>
                    <script type="text/javascript">
                        document.getElementById('paymentform').submit();
                    </script>

<?php
                    exit;
                } else {
                    echo 'خطا : '. $this->CheckStatus($result);
                    exit;
                }
            }
        }
    }