is contact an fqdn ? If not, look no further. Op di 2 feb. 2021 om 15:06 schreef John Quick <john.qu...@smartvox.co.uk>:
> I am seeing a problem in calls made to MS Teams via OpenSIPS configured as > an SBC. > The usual INVITE, 180, 183, 200 OK sequence looks okay, but the ACK request > is not accepted by MS Teams. > When I say "not accepted", I mean an ACK is sent to the Teams Proxy, but > Teams responds after 30 seconds with BYE, reason is: > "Call Controller timed out while waiting for acknowledgement" > > I am able to compare the sip trace for the failing call with a very similar > call scenario on another Teams system that works. > The only explanation I can suggest is that the UAC did not use the same > value for the To-tag as it received in the 200 OK. > Could this explain why Teams is failing to match it against the previous > dialogue? > > John Quick > Smartvox Limited > Web: www.smartvox.co.uk > > > _______________________________________________ > Users mailing list > Users@lists.opensips.org > http://lists.opensips.org/cgi-bin/mailman/listinfo/users >
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