No reply on this but I moved with my debugging. Posting what i Found.... I found out that STUN (ICE) Binding requests coming from gtalk client were using RFC3489 but FS response was using RFC5389. In effect the response from FS were not quoting correct Transaction ID (First four bytes are MAGIC COOKIE) and hence gtalk not able to associate them. I corrected this in switch_stun.c and now I see once STUN response reach at gtalk client, it accepts them. I do not see call getting ended in 30 seconds and no more continuous ICE candidate Jabber messages from gtalk client! But user experience level I am still at same place - gtalk client still not sending its audio and RTP packets coming to it are not playing ! I think now its just media level issue. But what ? -- View this message in context: http://freeswitch-users.2379917.n2.nabble.com/Help-on-freeswitch-gtalk-sip-c... Sent from the freeswitch-users mailing list archive at Nabble.com.