Don't compare apples to oranges, FS is b2bua. I'd say FS takes 30-40 times more CPU power than openser. No magic. On Friday 06 August 2010, Jean-Yves F. Barbier wrote: > Hi list, > > How does FS performs compared to Kamailio on the same machine? > (I'm just talking about pure switching, no transcoding, nor > AA) > > JY >