OpenSIPS project has 3 papers with Amoocon 2010 - different topics
presented by different people (see more on www.opensips.org/Event... ).
1. OpenSIPS 2.0 - a programmable framework for SIP (by Bogdan-Andrei Iancu)
2. Integrated SIP and XMPP Services with OpenSIPS (By Anca Vamanu)
3. ICE: the ultimate way of beating NAT in SIP (by Saúl Ibarra Corretgé)