What you are describing exists: XMPP [0]. Good luck getting it to integrate with video calling for, say, Skype or Google Hangout. They don't want that, they wa

What you are describing exists: XMPP [0]. Good luck getting it to integrate with video calling for, say, Skype or Google Hangout. They don't want that, they want users to be in their domain. All that said, XMPP is not perfect. [0] http://en.wikipedia.org/wiki/XMPP http://en.wikipedia.org/wiki/XMPP