We use 5.2 on the affected systems. On Mon, Feb 10, 2020 at 4:15 PM Serge S. Yuriev <[email protected]> wrote: > > 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
-- Sebastian Damm Voice Engineer __________________________________________ sipgate GmbH _______________________________________________ Kamailio (SER) - Users Mailing List [email protected] https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
