You can try event_route[tm:local-request] for this.
On Tue, 25 Feb 2020, 15:36 Marco Capetta, mcapetta@sipwise.com wrote:
Hi All,
I have a question regarding call forking and how to access failed branches: the ones for which kamailio sends out the CANCEL because on another one a 200OK was received. This is the scenario:
- A calls B
- 3 devices are registered on B, so a parallel forking is done to B1,
B2 and B3
- B1, B2, and B3 all reply with 180 Ringing
- B1 replies with 200OK
- Kamailio CANCELs the branches with B2 and B3
What I need is access to each single CANCEL that Kamailio sends out to B2 and B3. In particular I need to know the branch-id and Via branch of all the cancelled branches. Additionally it would be perfect to have them inside the TM module, in order to have access also to internal AVPs.
I tried with dedicated failure routes and also with per-branch failure routes, but I was never able to access to those values. I also didn't found a specific event-route that can help me solve this problem.
Does anyone have an idea?
Kamailio version 5.2.5
Thanks
Regards Marco
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