In case you missed the live VoIP Users Conference about about Kamailio SIP Server, done by Daniel-Constantin Mierla (co-founder) and Alex Balashov (member of management board), on Friday, the 17th of February, 2012, you can listen the recording, links to listen and download are available at:
Embedded podcast to listen is shown next.
Many thanks to Fred Posner and James Body for substantial help in the audio conference and IRC channel during the session, and to Randy for being such a great host.
There are also some slides prepared for the session, you can get them from next link (pdf):