On Thu, Apr 09, 2020 at 02:26:45PM +0100, David Villasmil wrote: > How about just not forwarding the 180 if it’s coming right after the > 200ok? I know it’s a hack, but a 180 is a provisional response > indicating the ring status, not the actual audio for the ring... so if > a 200 is received, the call is already established, no need to forward > the 180.
There is a general principle, particularly in PSTN interworking, that signalling should be reliably conserved end-to-end. I think dropping messages is the most cavalier option available, perhaps worth considering only if every other logical possibility has been exhausted first. -- 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
