I ran into the same problem. Just that I may have more than two parallel forks. Am I right, that I need a kamailio instance for each fork. -- View this message in context: http://sip-router.1086192.n5.nabble.com/Parallel-Forking-with-Different-Call-Id-tp150146p156310.html Sent from the Users mailing list archive at Nabble.com.