http://u.qdnx.org/file/rozzin-20160908T210453-udv253y.html
@bobjonkman, at this point #GoogleTalk is (just) a pretty shitty #XMPP server: it's missing a whole bunch of important XEPs like Carbons and fully-functional MUCs, and it doesn't do back-end #TLS so most (better) servers will refuse to talk to it.