If there is a multicast capable switch between the clients I think you explicitely have to subscribe to the multicast group, see for example: http://www.cs.unc.edu/~jeffay/dirt/FAQ/comp249-001-F99/mcast-socket.html regards klaus Am 24.03.2010 21:27, schrieb Ravi Kanth: > Hi, > I wanted to create an application similar to streamutil sample in my > application but which can send/receive rtp to/from a multicast ip. > i have seen an example in > http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/2008-July/003974.html > but i dont understand whether the RTP/RTCP sockets are added into a > multicast group. > What i want to do here is receive RTP packet from a Cisco router which > sends/receives RTP packets on to a multicast group. > Can someone please clarify what exactly is needed to accomplish my task. > Regards, > Ravi > > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org