Hi, Note that there are two different kinds of ACKs. An ACK for a 2xx transaction is an in-dialog request that follows the rules for Section 13, and having two Via hops in one of those is entirely appropriate.
On Fri, Nov 30, 2018 at 02:59:52PM +0000, Dan Quinney wrote: > Hi all, > > I’m having some issues with ACK’s. > > Specifically, when an ACK reaches Kamailio from either Asterisk or an > endpoint, Kamailio is adding a second Via header - which isn’t valid as per > RFC 3261 (17.1.1.3); > > “The ACK MUST contain a single Via header field, and this MUST be equal > to the top Via header field of the original request." > > Endpoints are registered with Kamailio but INVITES are routed via Asterisk > for dial plan and media reasons. > > I’m running fairly bog-standard Kamailio and Asterisk installs. > > I’ve attached a sample PCAP for if anyone has any suggestions. > > Thanks. > Dan > > _______________________________________________ > Kamailio (SER) - Users Mailing List > sr-users@lists.kamailio.org > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users -- Alex Balashov | Principal | Evariste Systems LLC Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ _______________________________________________ Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
