Here is the trace, following your advice. Hope you can find out what is wrong. I also have a full Wireshark trace file of the whole conversation if you want that.
Looks like it is on line 810 the unintended termination is happening.

http://pastebin.freeswitch.org/750 

Ivan

On 11. mai. 2007, at 18:28, Anthony Minessale wrote:

Also make sure you run freeswitch like this when reproducing:

NUA_DEBUG=9 TPORT_LOG=1 /usr/local/freeswitch/bin/freeswitch