i develop send sms and get the it's wsdl file, then import into postman, and use https://www.keyrus.tech:11443/nl/jsp/soaprouter.jsp to call to send sms, but it response 403 error, but when i use internal network to call, it response successful.
external network call 403 error, internal network call successful.
https://www.keyrus.tech:11443/nl/jsp/soaprouter.jsp
<?xml version="1.0" encoding="utf-8"?>
<soap:Body>
<SendSingleSms xmlns="urn:cus:smsApiservice">
<sessiontoken>___9e2e044a-7179-4b72-a658-058c5e3afc7a</sessiontoken>
<userid>JC2494</userid>
<pwd>f5305b065aca343140242b49315ccde4</pwd>
<mobile>18816202138</mobile>
<content>%e9%aa%8c%e8%af%81%e7%a0%81%ef%bc%9a6666%ef%bc%8c%e6%89%93%e6%ad%bb%e9%83%bd%e4%b8%8d%e8%a6%81%e5%91%8a%e8%af%89%e5%88%ab%e4%ba%ba%e5%93%a6%ef%bc%81</content>
<timestamp>0803192020</timestamp>
<svrtype>string</svrtype>
<exno>string</exno>
<custid>string</custid>
<exdata>string</exdata>
</SendSingleSms>
</soap:Body>
</soap:Envelope>