ACK for successull response is a new transaction. It has to be different. May be it is better to point provider to this?
On Mon, 10 Feb 2020, 14:26 Sebastian Damm, <[email protected]> wrote: > Hi, > > I stumbled upon an interop problem with a carrier. We have the > following scenario: > > Gateway --> Loadbalancer --> Carrier > > The loadbalancer generates a Via header for each request. But since it > is stateless, the Via tag is generated for each request. As a > consequence, the Via tag in the ACK differs from the one in the > INVITE. And one carrier doesn't handle those ACKs if the Via tag > differs. > > Is there a way to force the creation of a "deterministic" Via branch > tag? For example, building it from a hash over call-id and from-tag or > something like that? > > Thanks in advance > Sebastian > > -- > Sebastian Damm > Voice Engineer > __________________________________________ > sipgate GmbH > > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >
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