Hi I believe you are using 5.2 or 5.3 series? This tend to work properly on 5.1 series
10.02.2020, 18:10, "Sebastian Damm" <[email protected]>: > Hi, > > actually, our only problem is handling negative replies. The ACK > belongs to the same transaction and therefore has to carry the same > Via branch ID. > > Sebastian > > On Mon, Feb 10, 2020 at 3:50 PM Yuriy Gorlichenko <[email protected]> wrote: >> 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 >> >> _______________________________________________ >> Kamailio (SER) - Users Mailing List >> [email protected] >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > > -- > Sebastian Damm > Voice Engineer > __________________________________________ > sipgate GmbH > > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users -- wbr, Serge _______________________________________________ Kamailio (SER) - Users Mailing List [email protected] https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
