HTTP + XML
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /xml/reply/DeviceAppSyncRequest HTTP/1.1 
Host: 5.172.198.40 
Content-Type: application/xml
Content-Length: length
<DeviceAppSyncRequest xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/Glx.SFA.WebAPI">
  <DeviceVersion>0</DeviceVersion>
</DeviceAppSyncRequest>
 
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
(byte[])