How to create a post request for a spa 525g2. For spa 504g such a request is valid:http://192.168.2.113/CGI/ExecutePOST /CGI/Execute HTTP/1.1Host: 192.168.2.113Accept: */*Content-Type: text/xml; charset="UTF-8"Content-Length: 92XML=<CiscoIPPhoneExecu...