I guess the problem is located in the user's terminals (SIP UA): you must configure user's 1 terminal outbound proxy option to server of domain A, and user's 2 outbound proxy option to domain's B server.

Hope it helps,
Samuel.

2007/6/5, Nguyen Tuan <tuansip.vn@googlemail.com>:
Hi everyone,

I have problem with set up proxy to process message INVITE.

I have 2 SIP users of different domain. How can I set up proxy for each
domain to process message INVITE from one domain to another? Now when
user 1 of domain A send INVITE message to user2 of domain B then message
go to direct to server of domain B, do main route{} block  of B and then
send to user2.

I need the INVITE message of user 1 the first go to proxy of domain A,
process that message (do main route{} block) and then send that message
to proxy of domain B, process it (do main route{})and then send to user 2.

Thanks,
Tuan.


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