Hi, As someone asked in http://lists.sip-router.org/pipermail/sr-users/2010-December/066792.html about TCP overload, Daniel answerd that "if you have some lengthily operations that have to be applied to your sip traffic and you get congestion because of that, the solution is to use a kamailio as load balancer in front of a farm of proxy doing the actual processing" How to use Kamailio as load balancer ? -- Khoa Pham HCMC University of Science Faculty of Information Technology