Now that you have a basic understanding of SOAP, it's time to zoom in and fill in the blanks. The last section provided an overview of SOAP; this section gives you more technical details that the basic introduction left out.
SOAP uses the namespace for version control. If the SOAP envelope is in the http://schemas.xmlsoap.org/soap/envelope/ namespace, then the request is SOAP 1.1. If the SOAP envelope is in the http://www.w3.org/2001/09/soap-envelope namespace, then the request is draft SOAP 1.2.
The URI for SOAP 1.2 is likely to change between the draft and the release of the actual recommendation. If anything, the URI should drop the month indicator and be of the following form (assuming the ...