[OpenSIPS-Users] Why domain = local IP causes problems with SIP BYE?

[Rodrigo Pimenta Carvalho]

Hi.


I have 3 machines: M1, M2 and M3. All machines are in the same local network.


M1 has softphone for user 6000.

M2 has softphone for user 6001. This machine has OpenSIPS 2.1 too.

M3 also has softphone for user 6001.


All  users are online (registered) with the OpenSIPS in M2.

The Domain table is empty (no records there). In this case, every thing is OK and user 6000 talks to any 6001 without problems (to establish calls, and to finalize calls, in both directions).


However, when I insert the M2's IP into the Domain table, the OpenSIPS refuse SIP BYEs from 6000 to 6001 (from M1 to M2). OpenSIPS responds with "Not Here" to 6000.

The same problem doesn't happen for SIP BYEs in the opposite direction (from M2 to M1). Even when 6000 sends SIP BYE to 6001 in M3 the problem doesn't happen.


So, what is the issue here?? Is it not possible to use local IPs as domain, when OpenSIPS and clients are in the same IP? If not, why?


P.S.: For registering the users M2's IP was used as domain in the client softphones.


Any hint will be very helpful!


Best regards.





RODRIGO PIMENTA CARVALHO
Inatel Competence Center
Software
Ph: +55 35 3471 9200 RAMAL 979
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