18 Jul
2017
18 Jul
'17
9:11 a.m.
Sebastian Damm writes:
In serial forking, the new INVITE could go out before the CANCEL is sent out. If that happens, the Via branch is needed to not kill the whole call.
There would not be a CANCEL when a serial branch returns negative response. In the case where waiting for final response from a branch times out, there would be cancel, but also a proxy generated negative response. I would think that in both cases it is safe to delete the whole call in failure route and then make a new rtpengine-offer.
-- Juha