OnLamp has a good article about using Jabber for company-wide IM: http://www.onlamp.com/pub/a/onlamp/2005/10/06/jabberd.html Jabberd2 is used for the author's examples; however, much of the article applies to Jabber/XMPP in general, especially the author's rationale for deploying Jabber in a company environment. -Will