Am 15.06.2010 13:51, schrieb hassen Hadj amor: > hi , > > thank you for your answer , here i send a wireshark screen shot . the screen shot is useless. Compare the Route headers of the reINVITE with the Record-Route headers of the previous 200 OK. If the route-set is identical, then the bug is not within pjsip but in the proxy. regards klaus