On Mon, 2009-10-05 at 12:51 -0400, Jiann-Ming Su wrote: > We're running into an issue with phone calls between sipX and Avaya > terminate after 30 minutes. My colleague has observed that the Avaya > will refresh the session according to its "Preferred Minimum Session > Refresh Interval." Avaya sends an Invite packet to sipX using > TCP/5060 (packet 50 below). sipX responds with a Trying 100 packet on > UDP 5060 (packet 52). Avaya doesn't support SIP over UDP. The call > terminates because the SIP conversation doesn't take place properly.
A likely culprit is that the topmost Via header in the INVITE that the Avaya sends does not specify that the transport must be TCP. (Or that sipXecs is not respecting that Via header.) In any case, you need to capture the entire contents of that INVITE message. Dale _______________________________________________ sipx-dev mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-dev Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-dev sipXecs IP PBX -- http://www.sipfoundry.org/
