If the RTPEngine fails to answer the offer or answer command, the SDP will be left unmodified.
But of course, that will not result in a proper media path. On Fri, Jan 24, 2020 at 09:01:25AM +1100, Patrick Wakano wrote: > Hello list, > Hope you all doing well! > > I have a setup of Kamailio + RTPEngine (so no B2BUA), and I've come to a > situation which I can't really figure out the best decision..... > The case is a late SDP negotiation that the 200Ok with the SDP offer fails > to engage the RTPEngine (for example no RTPEngine available). Also, the > same problem can happen with a normal SDP negotiation, in case the INVITE > goes through normally but then when engaging the SDP answer for the 200Ok, > the RTPengine answer request fails for any reason... > In these cases, I can't generate a proper SDP for the 200OOk so the call > will connect normally, but the media path will be broken... > So for such cases, I am thinking it is reasonable to fail the call. > However, failing a call during the 200Ok stage is tricky, at this point we > can't convert the 200Ok to a 50X. I tried and Kamailio doesn't allow and > also RFC wise this is a no no for a SIP proxy.... > I could completely remove the SDP body and forward the 200Ok. This will > force a failed SDP negotiation and leave it for the endpoints the task to > terminate the call. Is that acceptable? Has anyone faced such situation? > Any idea is much appreciated! > > Kind regards, > Patrick Wakano > _______________________________________________ > 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