From: "cardboard42@..." <cardboard42@...>
Date: 2010-01-26T11:20:07+09:00
Subject: Re: Basic XML POST using Ruby to Cisco Call Manager

That's SOAP a generic (and gross) RPC protocol. I don't know anything
about SOAP but soap4r is in the standard library.
http://ruby-doc.org/stdlib/libdoc/soap/rdoc/index.html