[SR-Users] How to handle BYE in case of serial fork

Björn Klasen bklasen at tng.de
Fri Sep 11 12:18:43 CEST 2020

Hi Henning,

the question is, where to route the BYE, because the first fork is 
terminated. It's a call-forward not reachable (CFNR) scenario.

So your proposal is to route the BYE to callee B after it got already a 

The BYE is routet in-dialog. But if the Dialog is not known it could not 
be routet.


Am 11.09.20 um 11:47 schrieb Henning Westerholt:
> Hello Björn,
> if I understood your scenario correct: what about just forwarding the BYE normally? It should be usually routed as in-dialog request without any transaction matching.
> What do you mean with "Kamailio doesn't know anything about it, so it does not reply".
> BTW, you should think about upgrading your Kamailio. 😉
> Cheers,
> Henning
Björn Klasen, Specialist
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