I've been spending some time getting the Microsoft OCS2007R2 XMPP gateway working. In essence, it provides OCS users with Jabber/XMPP connectivity outside of the organisation. Nominally, we want to use it to connect to Google, so GTalk/gmail/googlemail users. We could of course use it to connect to others via stds based XMPP, jabber.org users etc.... Continue Reading →