[SR-Users] dns failover and branches

Juha Heinanen jh at tutpro.com
Wed Jul 19 11:00:26 CEST 2017

Daniel-Constantin Mierla writes:

> OK, so it is creating a new branch structure. That could explain why the
> branch flags from previous INVITE are not there. If it is only the
> branch flags missing (and the headers changes are already propagated), I
> expect to be an easy patch. I will look into it very soon if nobody else
> does it meanwhile.

I did more checking and looks like only branch flags are gone.  In
addition to adding headers and setting branch flags, branch route adds
record-route params using add_rr_param calls and also those params are
preserved in the second INVITE.

-- Juha

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