[OpenSIPS-Users] Ping both UACs when a call starts

Iñaki Baz Castillo ibc at aliax.net
Wed Oct 8 00:17:36 CEST 2008

El Martes, 7 de Octubre de 2008, Cesar Troncoso escribió:
> Hello!
> When a call starts I would like OpenSIPs to ping (by sending OPTIONS or
> INFO request) both UAC´s just to know if they are still there or for some
> reason they crashed or lost connectivity. In case they don't response, the
> call should be finished. What is the best way to do this?

By definition, a SIP proxy *can't* generate in-dialog requests since it would 
break the CSeq numbers in the caller and called.
This is a task for a B2BUA.
If at least one of caller and called support SesstionTimers you can use it.

Iñaki Baz Castillo

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