2008/8/11 Darshaka Pathirana <[EMAIL PROTECTED]>:
> Yes! I think that's the point! Listening on a port (for incoming
> connections) is one thing, using a port for outgoing connections is
> another!
>

I am afraid I can't agree to the above. Modern SIP user agents due to
the NAT traversal issues should use "symetric signalling" ie, send
outbound connection and listen to incoming ones on THE SAME PORT -
which should be 5060. Some links to articles on this matter:

http://www.ietf.org/internet-drafts/draft-ietf-sipping-nat-scenarios-08.txt

http://www.ag-projects.com/docs/PressArticles/NATtraversal-BestPractices.pdf

http://www.informatik.uni-bremen.de/~prelle/terena/cookbook/main/ch04s07.html

regards,
Chris
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