title: XMPP transport to another protocol
body: <p>I would like to add support of ICQ in my application using jabber-transport. I use xmpp4r ruby's library.</p>
  
  <p>All that I found doesn't show how to login to external (icq) server and how to send messages.</p>
  
  <p>Can you show example of code or text explanation how to do so? (may be not using xmpp4r and ruby, I only need a hint.)</p>