On Mon, 2009-09-28 at 12:38 -0400, Jeff Gilmore wrote: > I am setting up a new Sipx server (4.0.2) with a gateway to Vitelity > through sipxBridge. I am able to call outbound OK on this trunk, but > inbound calls don't complete successfully. The Sipx server is on an > internal -subnet IP address that is 1:1 NATed to an external IP > address that routes to the Monowall firewall serving my site. > > > When looking at a Wireshark trace, I can see the incoming invite from > Vitelity. Sipx sends back a 100 trying message to the vitelity IP > address. All good so far. > > > However, the next set of packets, and all subsequent ones, consist of > SIP packets (invite, trying, etc.) that are sent back and forth from > internal IP to the external IP and vice versa. For example, > immediately following the first 2 packets above come: > > > 1. an INVITE from INTERNAL IP to EXTERNAL IP > 2. an INVITE from EXTERNAL IP to INTERNAL IP > 3. a TRYING from INTERNAL IP to EXTERNAL IP > 4. a TRYING from EXTERNAL IP to INTERNAL IP > > > Packets like these go on an on, intermixed with "TCP segment of a > reassembled PDU" and other TCP messages until you finally start to see > "SIP Status 483 - too many hops, with sipfrag" > > > After the second packet (TRYING back to Vitelity IP) no packet ever > again goes to or from Vitelity. It looks like things are looping back > and forth between the firewall and sipx server. > > > Does anyone have a clue as to what is going on and how to fix it? > I'll be glad to send the actual traces, if you care to look at them.
You probably don't have the domain name and the DNS records for your proxy set up correctly - this is what happens when something sends to the proxy using a name that it does not believe it is responsible for, but the DNS or addressing causes it to send those packets to itself. _______________________________________________ sipx-users mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-users Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-users sipXecs IP PBX -- http://www.sipfoundry.org/
