Hello! I figured it out. I messed up the R-URL. Following requests to MS Teams had to have R-URI from the last response's Contact header value while being sent to the same destination as the original INVITE.
Thanks! Regards, Volodymyr Ivanets чт, 14 жовт. 2021 о 18:04 Володимир Іванець <[email protected]> пише: > Hello all! > > I'm trying to make a call from the system with Kamailio to a MS Teams. I > can answer in the Teams client, system will receive response 200 OK and > audio streams will be started. > > The problem I have is that after a short period of time Teams sends BYE > with the reason "An acknowledgement was not received for the call > acceptance in the allotted time". If I try to hangup from the system side, > Teams will receive BYE and respond with "481 Call Leg/Transaction Does Not > Exist" - "Call leg unavailable". > > It looks like Teams can not match and accept ACK request to finish > establishing the call and the following requests have the same problem. > > I was wondering if someone had this problem before or can share a SIP > packet capture (of course with hidden addresses and domain names) of a > correctly established and completed call to Teams? > > Thanks a lot! > > Regards, Volodymyr Ivanets >
__________________________________________________________ Kamailio - Users Mailing List - Non Commercial Discussions * [email protected] Important: keep the mailing list in the recipients, do not reply only to the sender! Edit mailing list options or unsubscribe: * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
