See also SIMPLE, Jingle and Telephony.
[edit]
in psyced
Just something to play around, not really functional.. maybe for chat.. at best..
In fact it doesn't even do what it appears to do, as the authentication needs to be fixed.
[edit]
Direct SIP links
Interesting, P2P SIP URI dialing. I always thought this should be easy to do and easy to integrate into PSYC, but somehow it wasn't and it didn't happen. :^(