On 17 December 2011 20:54, Arc Riley <arcriley at gmail.com> wrote: > http://developers.facebook.com/docs/chat/ > > Arbitrary IQ stanzas cannot be passed between clients. Good to know, thanks. > Stanza routing is defined in the RFCs, so by this metric alone I'd say > Facebook does not implement XMPP. Agreed... it's a broken subset of XMPP :) Regards, Matthew