On Tue, Jan 30, 2018 at 06:25:57PM +0100, Loic Chabert wrote: > ACK messages are in the same INVITE transaction ?
No, e2e ACKs are a transaction in their own right. However: (a) They will have the same CSeq number as the INVITE to which they correspond; (b) They are a bit "special" in that they gather no responses. > My SBC is asterisk, and does not insert Record-route headers. Is it a > normal behaviour for an SBC ? Only proxies add Record-Route headers. The job of the endpoints is to marshal them into Route headers in in-dialog requests. -- Alex -- 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
