Isn't this what late offers are meant to accomplish? Empty (no SDP) INVITE --> <-- 200 OK with SDP offer end-to-end ACK with SDP answer -->
-- Alex On Sat, Dec 14, 2019 at 11:31:50PM -0600, Ranjit Avasarala wrote: > Hi > I have a scenario where the terminating device responds with SIP 488 Not > Acceptable here response. It is understood that the terminating device > does not support any of the codecs that the incoming INVITE has. > > this issue occurred when a landline called VoLTE device and the > intermediate MSC/MGCF translated the SS7 message to SIP INVITE and put the > codecs it supports. So since the terminating device does not support any > of the listed codecs in SIP INVITE SDP offer, it responded with 488 response > > So my query is - is there a way the terminating device could indicate the > list of codecs it supports in 488 response? > > Thanks > Ranjit > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors -- 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/ _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors