Hi, How is the determination of CSeq for dialog-spoofed BYEs made?
Thanks, -- Alex On Fri, Jan 03, 2020 at 04:16:51PM +0100, Daniel-Constantin Mierla wrote: > Hello, > when the call is established, there is one request (the INVITE) from caller > to callee. Then the ACK also from caller to callee. But there is no request > from callee to caller at that moment. Each side is using its own cseq > value, the callee doesn't have to use the latest cseq from caller plus one > when it sends a request (like a re-INVITE or the BYE). In practice the cseq > 0 is not usually used by an UA, so that's why the keepalive for that > direction is using it. > > Cheers, > Daniel > > On Thu, Jan 2, 2020 at 10:07 PM Alex Balashov <[email protected]> > wrote: > > > On Thu, Jan 02, 2020 at 09:26:23PM +0100, Daniel-Constantin Mierla wrote: > > > > > the cseq 0 is because in that direction was no request sent > > > end-to-end. > > > > Also, sorry, but I didn't quite understand this. > > > > -- > > 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 > > [email protected] > > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > > > > > -- > Daniel-Constantin Mierla - https://www.asipto.com > https://twitter.com/miconda - https://www.linkedin.com/in/miconda > Kamailio Advanced Training - https://www.asipto.com/u/kat > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > 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 [email protected] https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
