Indeed, you should force TLS. I wouldn't pay attention to the port 443 in the Contact/BYE URI. Consider it "logical".
> On Jan 28, 2025, at 1:48 pm, Barry Flanagan via sr-users > <sr-users@lists.kamailio.org> wrote: > > 28 Jan 2025 18:26:48 Ovidiu Sas <o...@voipembedded.com>: > > > It seems that you are sending the BYE over UDP instead of TCP/TLS. > > Yes, that is true, but is the host api-du-b-euwe.pstnhub.microsoft.com:443 > the correct endpoint? Port 443 seems strange. > > I'll try just forcing tls > > > > -ovidiu > > > > On Tue, Jan 28, 2025 at 12:52 Barry Flanagan via sr-users > > <sr-users@lists.kamailio.org> wrote: > >> Hi all, > >> > >> I have a Teams gw working apart from one issue., In a call originated in > >> Teams,. if the called party hangs up, the BYE is sent to > >> api-du-b-euwe.pstnhub.microsoft.com:443[http://api-du-b-euwe.pstnhub.microsoft.com:443] > >> which does not work. This is taken from the Contact header of the ACK I > >> presume. > >> > >> Here is the ACK to the 200 OK: > >> > >> 28/01/2025 17:08:26.560 +00:00: > >> 52.114.75.24:53728[http://52.114.75.24:53728] -> > >> 100.100.198.241:5061[http://100.100.198.241:5061] > >> ACK sip:9...@teams.domain.com:5061;transport=tls;tps=atpsh-67990f01-8ed8-1 > >> SIP/2.0 > >> FROM: "Teams User" > >> <sip:+35314375...@sip.pstnhub.microsoft.com:5061;user=phone>;tag=c29cb7a79ddf40f9ba909f3f1034a770 > >> > >> TO: <sip:9...@teams.domain.com:5061>;user=phone;tag=as6e287620 > >> CSEQ: 1 ACK > >> CALL-ID: e49f7df631ee576286ecf159e81952fe > >> MAX-FORWARDS: 70 > >> VIA: SIP/2.0/TLS 52.114.75.24:5061;branch=z9hG4bK46d28f33 > >> CONTACT: > >> <sip:api-du-b-euwe.pstnhub.microsoft.com:443;x-i=0781e8a1-91e6-4f6a-bc4a-73d6890827d4;x-c=e49f7df631ee576286ecf159e81952fe/d/8/703117d8337e4975a8216a54f59035c2> > >> > >> CONTENT-LENGTH: 0 > >> USER-AGENT: Microsoft.PSTNHub.SIPProxy v.2025.1.20.11 i.EUWE.7 > >> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY > >> > >> ..and here is the BYE. > >> > >> 28/01/2025 17:08:36.119 +00:00: > >> 100.100.198.241:5060[http://100.100.198.241:5060] -> > >> 52.123.134.13:443[http://52.123.134.13:443] > >> BYE > >> sip:api-du-b-euwe.pstnhub.microsoft.com:443;x-i=0781e8a1-91e6-4f6a-bc4a-73d6890827d4;x-c=e49f7df631ee576286ecf159e81952fe/d/8/703117d8337e4975a8216a54f59035c2 > >> SIP/2.0 > >> Record-Route: > >> <sip:teams.domain.com:5061;transport=tls;ftag=as6e287620;lr;r2=on> > >> Record-Route: <sip:100.100.198.241:5060;ftag=as6e287620;lr;r2=on> > >> Via: SIP/2.0/UDP > >> 100.100.198.241;branch=z9hG4bKc89c.0c1cf04a771c30293432e5f1f59331c8.0 > >> Via: SIP/2.0/UDP 102.102.139.182:5060;rport=5060;branch=z9hG4bK3c42c163 > >> Max-Forwards: 69 > >> From: <sip:9...@teams.domain.com:5061>;user=phone;tag=as6e287620 > >> To: "Teams > >> User"<sip:+35314375...@sip.pstnhub.microsoft.com:5061;user=phone>;tag=c29cb7a79ddf40f9ba909f3f1034a770 > >> > >> Call-ID: e49f7df631ee576286ecf159e81952fe > >> CSeq: 102 BYE > >> Content-Length: 0 > >> > >> How can I get around this? Using a pretty standard WITHINDLG route. I am > >> using topos but not manipulating the Contact header. > >> > >> Thanks! > >> > >> -Barry > >> > >> __________________________________________________________ > >> Kamailio - Users Mailing List - Non Commercial Discussions -- > >> sr-users@lists.kamailio.org > >> To unsubscribe send an email to sr-users-le...@lists.kamailio.org > >> Important: keep the mailing list in the recipients, do not reply only to > >> the sender! > > > -Barry Flanagan > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions -- > sr-users@lists.kamailio.org > To unsubscribe send an email to sr-users-le...@lists.kamailio.org > Important: keep the mailing list in the recipients, do not reply only to the > sender! -- Alex Balashov Principal Consultant Evariste Systems LLC Web: https://evaristesys.com Tel: +1-706-510-6800 __________________________________________________________ Kamailio - Users Mailing List - Non Commercial Discussions -- sr-users@lists.kamailio.org To unsubscribe send an email to sr-users-le...@lists.kamailio.org Important: keep the mailing list in the recipients, do not reply only to the sender!
