[SR-Users] Kamailio as MS-Teams SBC

David Villasmil david.villasmil.work at gmail.com
Wed Jan 20 12:16:02 CET 2021 

180 doesn’t need a response, as it is a provisional response TO the invite.
Same goes for 183 and all provisional responses.

A quick look to the call you pasted below seems to have connected: there’s
a 200 to the INVITE and an ACK to the 200 (which does require an ACK). Do
you see RTPs flowing to the proper IPs?

If you’re trying to integrate with MSTeams, search the web for “kamailio ms
teams” as it is riddled with little nuances, you should find pretty good
info (or search this mailing list, there’s plenty)

Some sources:

https://skalatan.de/en/blog/kamailio-sbc-teams

This one might be specially interesting to you as it regards the 200 and it
states there should only be ONE Record-Route:

http://sip-router.1086192.n5.nabble.com/kamailio-integration-with-MS-teams-td185890.html



Hope that helps.

David

On Wed, 20 Jan 2021 at 11:02, Davide Zanichelli <dav.zanichelli at gmail.com>
wrote:

> Hi everybody
>
> im going crazy in debugging inbound call
>
> my scenario is :
>
> Freeswetch PBX ---> kamailio SBC ---> Ms Teams
>
> my issue are:
> 1 Freeswitch doesnt reply to kamailio after 180 ringing why ?
> 2) kamailio forward ACK after 200 OK but MS  not accept it, (call stuck in
> setup )
>
> any advice are welcome !!!
>
> below a trace:
> Thanks You for support !
> ||||||||||||||||||||
> ====================
> tag: rcv
> pid: 92862
> process: 2
> time: 1611139150.541333
> date: Wed Jan 20 10:39:10 2021
> proto: udp ipv4
> srcip: 185.132.68.116
> srcport: 5060
> dstip: 69.172.96.197
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> INVITE sip:100247 at 69.172.96.197:5060 SIP/2.0
> v:SIP/2.0/UDP 185.132.68.116;rport;branch=z9hG4bKK8jFBBUtt1ZtH
> Max-Forwards:65
> f:"Davide Zanichelli"<sip:3454558075 at 185.132.68.116>;tag=jFD3trFDj8t0p
> t:<sip:100247 at 69.172.96.197:5060>
> i:92665309-d5ae-1239-fc81-9259e6a86632
> CSeq:31015783 INVITE
> m:<sip:mod_sofia at 185.132.68.116:5060>
> User-Agent:FreeSWITCH-mod_sofia/1.6.20~64bit
>
> Allow:INVITE,ACK,BYE,CANCEL,OPTIONS,MESSAGE,INFO,UPDATE,REGISTER,REFER,PRACK,NOTIFY,PUBLISH,SUBSCRIBE
> k:precondition,100rel,path,replaces
>
> u:talk,hold,conference,presence,as-feature-event,dialog,line-seize,call-info,sla,include-session-description,presence.winfo,message-summary,refer
> c:application/sdp
> Content-Disposition:session
> l:307
> Remote-Party-ID:"Davide Zanichelli"<sip:3454558075 at 185.132.68.116
> >;party=calling;screen=yes;privacy=off
>
> v=0
> o=FreeSWITCH 1611126712 1611126713 IN IP4 185.132.68.116
> s=FreeSWITCH
> c=IN IP4 185.132.68.116
> t=0 0
> a=sendrecv
> m=audio 12438 RTP/AVP 18 8 101 13
> a=rtpmap:18 G729/8000
> a=fmtp:18 annexb=no
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=rtpmap:13 CN/8000
> a=ptime:20
> ||||||||||||||||||||
> ====================
> tag: snd
> pid: 92862
> process: 2
> time: 1611139150.546923
> date: Wed Jan 20 10:39:10 2021
> proto: udp ipv4
> srcip: 69.172.96.197
> srcport: 5060
> dstip: 185.132.68.116
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 100 trying -- your call is important to us
> v:SIP/2.0/UDP
> 185.132.68.116;rport=5060;branch=z9hG4bKK8jFBBUtt1ZtH;received=185.132.68.116
> f:"Davide Zanichelli"<sip:3454558075 at 185.132.68.116>;tag=jFD3trFDj8t0p
> t:<sip:100247 at 69.172.96.197:5060>
> i:92665309-d5ae-1239-fc81-9259e6a86632
> CSeq:31015783 INVITE
> Server: kamailio (5.3.2 (x86_64/linux))
> Content-Length: 0
>
> ||||||||||||||||||||
> ====================
> tag: snd
> pid: 92862
> process: 2
> time: 1611139150.567406
> date: Wed Jan 20 10:39:10 2021
> proto: tls ipv4
> srcip: 69.172.96.197
> srcport: 5061
> dstip: 52.114.75.24
> dstport: 5061
> ~~~~~~~~~~~~~~~~~~~~
> INVITE sip:+1010 at sip.pstnhub.microsoft.com:5061;transport=tls SIP/2.0
> Record-Route: <sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> Via: SIP/2.0/TLS 69.172.96.197:5061
> ;branch=z9hG4bK7d7f.b59314bb3e04e970e811f1672127de61.0
> v:SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;rport=5060;branch=z9hG4bKK8jFBBUtt1ZtH
> Max-Forwards:64
> f:"Davide Zanichelli"<sip:3454558075 at kml.call2teams.io>;tag=jFD3trFDj8t0p
> t:<sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io>
> i:92665309-d5ae-1239-fc81-9259e6a86632
> CSeq:31015783 INVITE
> m:<sip:mod_sofia at 185.132.68.116:5060>
> User-Agent:FreeSWITCH-mod_sofia/1.6.20~64bit
>
> Allow:INVITE,ACK,BYE,CANCEL,OPTIONS,MESSAGE,INFO,UPDATE,REGISTER,REFER,PRACK,NOTIFY,PUBLISH,SUBSCRIBE
> k:precondition,100rel,path,replaces
>
> u:talk,hold,conference,presence,as-feature-event,dialog,line-seize,call-info,sla,include-session-description,presence.winfo,message-summary,refer
> c:application/sdp
> Content-Disposition:session
> l:1390
> Remote-Party-ID:"Davide Zanichelli"<sip:3454558075 at 185.132.68.116
> >;party=calling;screen=yes;privacy=off
>
> v=0
> o=FreeSWITCH 1611126712 1611126713 IN IP4 69.172.96.197
> s=FreeSWITCH
> c=IN IP4 69.172.96.197
> t=0 0
> m=audio 33404 RTP/SAVP 8
> a=rtpmap:8 PCMA/8000
> a=sendrecv
> a=rtcp:33405
> a=crypto:1 AES_CM_128_HMAC_SHA1_80
> inline:iiD7YD06tIT76jNwnfUQYIPp/utJYrMGqN3h0pEF
> a=crypto:2 AES_CM_128_HMAC_SHA1_32
> inline:ccgVUhUMevpLySH3whtWFZVpn7ReHg9umhRsunsl
> a=crypto:3 AES_192_CM_HMAC_SHA1_80
> inline:C8cTVZsRwQO9Xoh/b2s6PITg6Wn2bb3FQpyUrksBezEQgrMQtBo
> a=crypto:4 AES_192_CM_HMAC_SHA1_32
> inline:qOzxnaJepixm60XPRvWGKpo5a0pc79sVcfcieCLSy5RV5gynArI
> a=crypto:5 AES_256_CM_HMAC_SHA1_80
> inline:ozHJArxk0AcpcVEIdeV0Fa8lHcsVesKBvuOXo/bkGhOftcNANiazLOFjroZaaB
> a=crypto:6 AES_256_CM_HMAC_SHA1_32
> inline:sKGkdsEg4qlu1x3Eh49iQGd75ykkfUi1EcpfTRz8OjXmbmD6TQiFiFUCOM4drz
> a=crypto:7 F8_128_HMAC_SHA1_80
> inline:oYDcS9SnWcb2yT4x4SJv6TI7qWu+3eftOW5cXsAQ
> a=crypto:8 F8_128_HMAC_SHA1_32
> inline:zo2HCUQ9ZFZanvwNC9X4zrpPlUA/OczdMhBm9qAK
> a=crypto:9 NULL_HMAC_SHA1_80
> inline:4PM96ZPd1nHU7oSG94IFUuRKlwNQ/BuaAIc8so94
> a=crypto:10 NULL_HMAC_SHA1_32
> inline:VUt2o556MpNSyW6KY2wwzCjDop/rVM+bnHlx8hCq
> a=setup:actpass
> a=fingerprint:sha-1
> E7:26:DE:B4:A7:D8:93:2C:B0:7C:30:40:09:5A:AC:3F:FE:B9:D1:9A
> a=ptime:20
> a=ice-ufrag:Ew9KIvXR
> a=ice-pwd:bkO9Wi2MPERrozLPniAvJa75lA
> a=candidate:HdRdBOFmpkA08EjO 1 UDP 2130706431 69.172.96.197 33404 typ host
> a=candidate:HdRdBOFmpkA08EjO 2 UDP 2130706430 69.172.96.197 33405 typ host
> ||||||||||||||||||||
> ====================
> tag: snd
> pid: 92862
> process: 2
> time: 1611139150.570482
> date: Wed Jan 20 10:39:10 2021
> proto: udp ipv4
> srcip: 69.172.96.197
> srcport: 5060
> dstip: 185.132.68.116
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 100 trying -- your call is important to us
> v:SIP/2.0/UDP
> 185.132.68.116;rport=5060;branch=z9hG4bKK8jFBBUtt1ZtH;received=185.132.68.116
> f:"Davide Zanichelli"<sip:3454558075 at 185.132.68.116>;tag=jFD3trFDj8t0p
> t:<sip:100247 at 69.172.96.197:5060>
> i:92665309-d5ae-1239-fc81-9259e6a86632
> CSeq:31015783 INVITE
> Server: kamailio (5.3.2 (x86_64/linux))
> Content-Length: 0
>
> ||||||||||||||||||||
> ====================
> tag: rcv
> pid: 92891
> process: 31
> time: 1611139150.648884
> date: Wed Jan 20 10:39:10 2021
> proto: tls ipv4
> srcip: 52.114.75.24
> srcport: 5061
> dstip: 69.172.96.197
> dstport: 5061
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 100 Trying
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io>
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/TLS 69.172.96.197:5061;branch=z9hG4bK7d7f.b59314bb3e04e970e811f1672127de61.0,SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> CONTENT-LENGTH: 0
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> ||||||||||||||||||||
> ====================
> tag: rcv
> pid: 92891
> process: 31
> time: 1611139150.904265
> date: Wed Jan 20 10:39:10 2021
> proto: tls ipv4
> srcip: 52.114.75.24
> srcport: 5061
> dstip: 69.172.96.197
> dstport: 5061
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 180 Ringing
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=43edcd63b6064936bb2916be57e3bdd0
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/TLS 69.172.96.197:5061;branch=z9hG4bK7d7f.b59314bb3e04e970e811f1672127de61.0,SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 0
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> ||||||||||||||||||||
> ====================
> tag: snd
> pid: 92891
> process: 31
> time: 1611139150.904523
> date: Wed Jan 20 10:39:10 2021
> proto: udp ipv4
> srcip: 69.172.96.197
> srcport: 5060
> dstip: 185.132.68.116
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 180 Ringing
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=43edcd63b6064936bb2916be57e3bdd0
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 0
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> ||||||||||||||||||||
> ====================
> tag: rcv
> pid: 92891
> process: 31
> time: 1611139151.215842
> date: Wed Jan 20 10:39:11 2021
> proto: tls ipv4
> srcip: 52.114.75.24
> srcport: 5061
> dstip: 69.172.96.197
> dstport: 5061
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 180 Ringing
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=4165839cb8bb47f8b61a7c53c4904579
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/TLS 69.172.96.197:5061;branch=z9hG4bK7d7f.b59314bb3e04e970e811f1672127de61.0,SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 0
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> ||||||||||||||||||||
> ====================
> tag: snd
> pid: 92891
> process: 31
> time: 1611139151.216549
> date: Wed Jan 20 10:39:11 2021
> proto: udp ipv4
> srcip: 69.172.96.197
> srcport: 5060
> dstip: 185.132.68.116
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 180 Ringing
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=4165839cb8bb47f8b61a7c53c4904579
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 0
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> ||||||||||||||||||||
> ====================
> tag: rcv
> pid: 92891
> process: 31
> time: 1611139151.504324
> date: Wed Jan 20 10:39:11 2021
> proto: tls ipv4
> srcip: 52.114.75.24
> srcport: 5061
> dstip: 69.172.96.197
> dstport: 5061
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 180 Ringing
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=ae2c8410ffffffff974ddff4e071048a
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/TLS 69.172.96.197:5061;branch=z9hG4bK7d7f.b59314bb3e04e970e811f1672127de61.0,SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 0
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> ||||||||||||||||||||
> ====================
> tag: snd
> pid: 92891
> process: 31
> time: 1611139151.504495
> date: Wed Jan 20 10:39:11 2021
> proto: udp ipv4
> srcip: 69.172.96.197
> srcport: 5060
> dstip: 185.132.68.116
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 180 Ringing
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=ae2c8410ffffffff974ddff4e071048a
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 0
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> ||||||||||||||||||||
> ====================
> tag: rcv
> pid: 92891
> process: 31
> time: 1611139151.586377
> date: Wed Jan 20 10:39:11 2021
> proto: tls ipv4
> srcip: 52.114.75.24
> srcport: 5061
> dstip: 69.172.96.197
> dstport: 5061
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 183 Session Progress
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=5ec9692a0e334203ac38ef8afd16122a
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/TLS 69.172.96.197:5061;branch=z9hG4bK7d7f.b59314bb3e04e970e811f1672127de61.0,SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 747
> CONTENT-TYPE: application/sdp
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> v=0
> o=- 265741 0 IN IP4 127.0.0.1
> s=session
> c=IN IP4 52.112.19.158
> b=CT:10000000
> t=0 0
> m=audio 49360 RTP/SAVP 8
> c=IN IP4 52.112.19.158
> a=rtcp:49361
> a=ice-ufrag:JH2Q
> a=ice-pwd:CZ+sIID/PcZ5VAKCaAtelE77
> a=candidate:1 1 UDP 2130706431 52.112.19.158 49360 typ srflx raddr
> 10.0.136.8 rport 49360
> a=candidate:1 2 UDP 2130705918 52.112.19.158 49361 typ srflx raddr
> 10.0.136.8 rport 49361
> a=candidate:2 1 tcp-act 2121006078 52.112.19.158 49152 typ srflx raddr
> 10.0.136.8 rport 49152
> a=candidate:2 2 tcp-act 2121006078 52.112.19.158 49152 typ srflx raddr
> 10.0.136.8 rport 49152
> a=label:main-audio
> a=mid:1
> a=crypto:1 AES_CM_128_HMAC_SHA1_80
> inline:PaVlOomzudnnj34hLpDC8v/T5CRlZ/AWApwRnw8q|2^31
> a=sendrecv
> a=rtpmap:8 PCMA/8000
> a=ptime:20
> ||||||||||||||||||||
> ====================
> tag: snd
> pid: 92891
> process: 31
> time: 1611139151.587395
> date: Wed Jan 20 10:39:11 2021
> proto: udp ipv4
> srcip: 69.172.96.197
> srcport: 5060
> dstip: 185.132.68.116
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 183 Session Progress
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=5ec9692a0e334203ac38ef8afd16122a
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 648
> CONTENT-TYPE: application/sdp
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> v=0
> o=- 265741 0 IN IP4 127.0.0.1
> s=session
> c=IN IP4 69.172.96.197
> b=CT:10000000
> t=0 0
> m=audio 33412 RTP/AVP 8
> c=IN IP4 69.172.96.197
> a=ice-ufrag:JH2Q
> a=ice-pwd:CZ+sIID/PcZ5VAKCaAtelE77
> a=candidate:1 1 UDP 2130706431 52.112.19.158 49360 typ srflx raddr
> 10.0.136.8 rport 49360
> a=candidate:1 2 UDP 2130705918 52.112.19.158 49361 typ srflx raddr
> 10.0.136.8 rport 49361
> a=candidate:2 1 tcp-act 2121006078 52.112.19.158 49152 typ srflx raddr
> 10.0.136.8 rport 49152
> a=candidate:2 2 tcp-act 2121006078 52.112.19.158 49152 typ srflx raddr
> 10.0.136.8 rport 49152
> a=label:main-audio
> a=rtpmap:8 PCMA/8000
> a=sendrecv
> a=rtcp:33413
> a=ptime:20
> ||||||||||||||||||||
> ====================
> tag: rcv
> pid: 92891
> process: 31
> time: 1611139151.618718
> date: Wed Jan 20 10:39:11 2021
> proto: tls ipv4
> srcip: 52.114.75.24
> srcport: 5061
> dstip: 69.172.96.197
> dstport: 5061
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 180 Ringing
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=a1fa24fdc70b4560b2681c3bc8c2b988
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/TLS 69.172.96.197:5061;branch=z9hG4bK7d7f.b59314bb3e04e970e811f1672127de61.0,SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 0
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> ||||||||||||||||||||
> ====================
> tag: snd
> pid: 92891
> process: 31
> time: 1611139151.619161
> date: Wed Jan 20 10:39:11 2021
> proto: udp ipv4
> srcip: 69.172.96.197
> srcport: 5060
> dstip: 185.132.68.116
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 180 Ringing
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=a1fa24fdc70b4560b2681c3bc8c2b988
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 0
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> ||||||||||||||||||||
> ====================
> tag: rcv
> pid: 92891
> process: 31
> time: 1611139151.896661
> date: Wed Jan 20 10:39:11 2021
> proto: tls ipv4
> srcip: 52.114.75.24
> srcport: 5061
> dstip: 69.172.96.197
> dstport: 5061
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 180 Ringing
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=28c1eaa54933b9b6493312bc12bc4933
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/TLS 69.172.96.197:5061;branch=z9hG4bK7d7f.b59314bb3e04e970e811f1672127de61.0,SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 0
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> ||||||||||||||||||||
> ====================
> tag: snd
> pid: 92891
> process: 31
> time: 1611139151.896797
> date: Wed Jan 20 10:39:11 2021
> proto: udp ipv4
> srcip: 69.172.96.197
> srcport: 5060
> dstip: 185.132.68.116
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 180 Ringing
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=28c1eaa54933b9b6493312bc12bc4933
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 0
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> ||||||||||||||||||||
> ====================
> tag: rcv
> pid: 92891
> process: 31
> time: 1611139152.979175
> date: Wed Jan 20 10:39:12 2021
> proto: tls ipv4
> srcip: 52.114.75.24
> srcport: 5061
> dstip: 69.172.96.197
> dstport: 5061
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 200 OK
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=5ec9692a0e334203ac38ef8afd16122a
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/TLS 69.172.96.197:5061;branch=z9hG4bK7d7f.b59314bb3e04e970e811f1672127de61.0,SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> RECORD-ROUTE: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061
> ;transport=tls;lr>,<sip:kml.call2teams.io:5061
> ;transport=tls;ftag=jFD3trFDj8t0p;lr>
> CONTACT: <sip:api-du-b-euwe.pstnhub.microsoft.com:443
> ;x-i=5a1e64a4-85c8-4490-be56-4a812ffdae1a;x-c=9ccd945968495e9686f2a90277029861/s/1/71d233106de24bbdac3074d199b624d2>
> CONTENT-LENGTH: 747
> SUPPORTED: timer
> CONTENT-TYPE: application/sdp
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SESSION-EXPIRES: 3600;refresher=uas
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> v=0
> o=- 265741 1 IN IP4 127.0.0.1
> s=session
> c=IN IP4 52.112.19.158
> b=CT:10000000
> t=0 0
> m=audio 49360 RTP/SAVP 8
> c=IN IP4 52.112.19.158
> a=rtcp:49361
> a=ice-ufrag:JH2Q
> a=ice-pwd:CZ+sIID/PcZ5VAKCaAtelE77
> a=candidate:1 1 UDP 2130706431 52.112.19.158 49360 typ srflx raddr
> 10.0.136.8 rport 49360
> a=candidate:1 2 UDP 2130705918 52.112.19.158 49361 typ srflx raddr
> 10.0.136.8 rport 49361
> a=candidate:2 1 tcp-act 2121006078 52.112.19.158 49152 typ srflx raddr
> 10.0.136.8 rport 49152
> a=candidate:2 2 tcp-act 2121006078 52.112.19.158 49152 typ srflx raddr
> 10.0.136.8 rport 49152
> a=label:main-audio
> a=mid:1
> a=crypto:1 AES_CM_128_HMAC_SHA1_80
> inline:PaVlOomzudnnj34hLpDC8v/T5CRlZ/AWApwRnw8q|2^31
> a=sendrecv
> a=rtpmap:8 PCMA/8000
> a=ptime:20
> ||||||||||||||||||||
> ====================
> tag: snd
> pid: 92891
> process: 31
> time: 1611139152.980594
> date: Wed Jan 20 10:39:12 2021
> proto: udp ipv4
> srcip: 69.172.96.197
> srcport: 5060
> dstip: 185.132.68.116
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 200 OK
> FROM: "Davide Zanichelli"<sip:3454558075 at kml.call2teams.io
> >;tag=jFD3trFDj8t0p
> TO: <sip:+1010 at sip.pstnhub.microsoft.com:5061;user=phonekml.call2teams.io
> >;tag=5ec9692a0e334203ac38ef8afd16122a
> CSEQ: 31015783 INVITE
> CALL-ID: 92665309-d5ae-1239-fc81-9259e6a86632
> VIA: SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;branch=z9hG4bKK8jFBBUtt1ZtH;rport=5060
> CONTENT-LENGTH: 648
> SUPPORTED: timer
> CONTENT-TYPE: application/sdp
> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
> SESSION-EXPIRES: 3600;refresher=uas
> SERVER: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.6
>
> v=0
> o=- 265741 1 IN IP4 127.0.0.1
> s=session
> c=IN IP4 69.172.96.197
> b=CT:10000000
> t=0 0
> m=audio 33412 RTP/AVP 8
> c=IN IP4 69.172.96.197
> a=ice-ufrag:JH2Q
> a=ice-pwd:CZ+sIID/PcZ5VAKCaAtelE77
> a=candidate:1 1 UDP 2130706431 52.112.19.158 49360 typ srflx raddr
> 10.0.136.8 rport 49360
> a=candidate:1 2 UDP 2130705918 52.112.19.158 49361 typ srflx raddr
> 10.0.136.8 rport 49361
> a=candidate:2 1 tcp-act 2121006078 52.112.19.158 49152 typ srflx raddr
> 10.0.136.8 rport 49152
> a=candidate:2 2 tcp-act 2121006078 52.112.19.158 49152 typ srflx raddr
> 10.0.136.8 rport 49152
> a=label:main-audio
> a=rtpmap:8 PCMA/8000
> a=sendrecv
> a=rtcp:33413
> a=ptime:20
> ||||||||||||||||||||
> ====================
> tag: rcv
> pid: 92863
> process: 3
> time: 1611139152.992585
> date: Wed Jan 20 10:39:12 2021
> proto: udp ipv4
> srcip: 185.132.68.116
> srcport: 5060
> dstip: 69.172.96.197
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> ACK sip:100247 at 69.172.96.197:5060 SIP/2.0
> v:SIP/2.0/UDP 185.132.68.116;rport;branch=z9hG4bK454Scy5SQDyHH
> Max-Forwards:70
> f:"Davide Zanichelli"<sip:3454558075 at 185.132.68.116>;tag=jFD3trFDj8t0p
> t:<sip:100247 at 69.172.96.197:5060>;tag=5ec9692a0e334203ac38ef8afd16122a
> i:92665309-d5ae-1239-fc81-9259e6a86632
> CSeq:31015783 ACK
> m:<sip:mod_sofia at 185.132.68.116:5060>
> l:0
>
> ||||||||||||||||||||
> ====================
> tag: snd
> pid: 92863
> process: 3
> time: 1611139152.993999
> date: Wed Jan 20 10:39:12 2021
> proto: tls ipv4
> srcip: 69.172.96.197
> srcport: 5061
> dstip: 52.114.75.24
> dstport: 5061
> ~~~~~~~~~~~~~~~~~~~~
> ACK sip:+1010 at sip.pstnhub.microsoft.com:5061;transport=tls SIP/2.0
> Via: SIP/2.0/TLS 69.172.96.197:5061
> ;branch=z9hG4bK7d7f.5ae826cce17cd04bb8eb821104f3c694.0
> v:SIP/2.0/UDP
> 185.132.68.116;received=185.132.68.116;rport=5060;branch=z9hG4bK454Scy5SQDyHH
> Max-Forwards:69
> f:"Davide Zanichelli"<sip:3454558075 at 185.132.68.116>;tag=jFD3trFDj8t0p
> t:<sip:+1010 at sip.pstnhub.microsoft.com:5061
> ;user=phone>;tag=5ec9692a0e334203ac38ef8afd16122a
> i:92665309-d5ae-1239-fc81-9259e6a86632
> CSeq:31015783 ACK
> m:<sip:mod_sofia at 185.132.68.116:5060>
> l:0
>
> ||||||||||||||||||||
> ====================
> tag: rcv
> pid: 92864
> process: 4
> time: 1611139159.013347
> date: Wed Jan 20 10:39:19 2021
> proto: udp ipv4
> srcip: 185.132.68.116
> srcport: 5060
> dstip: 69.172.96.197
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> BYE sip:100247 at 69.172.96.197:5060 SIP/2.0
> v:SIP/2.0/UDP 185.132.68.116;rport;branch=z9hG4bKDXygHvZyjcvZS
> Max-Forwards:70
> f:"Davide Zanichelli"<sip:3454558075 at 185.132.68.116>;tag=jFD3trFDj8t0p
> t:<sip:100247 at 69.172.96.197:5060>;tag=5ec9692a0e334203ac38ef8afd16122a
> i:92665309-d5ae-1239-fc81-9259e6a86632
> CSeq:31015784 BYE
> User-Agent:FreeSWITCH-mod_sofia/1.6.20~64bit
>
> Allow:INVITE,ACK,BYE,CANCEL,OPTIONS,MESSAGE,INFO,UPDATE,REGISTER,REFER,PRACK,NOTIFY,PUBLISH,SUBSCRIBE
> k:precondition,100rel,path,replaces
> Reason:Q.850;cause=16;text="NORMAL_CLEARING"
> l:0
>
> ||||||||||||||||||||
> ====================
> tag: rcv
> pid: 92867
> process: 7
> time: 1611139160.013043
> date: Wed Jan 20 10:39:20 2021
> proto: udp ipv4
> srcip: 185.132.68.116
> srcport: 5060
> dstip: 69.172.96.197
> dstport: 5060
> ~~~~~~~~~~~~~~~~~~~~
> BYE sip:100247 at 69.172.96.197:5060 SIP/2.0
> v:SIP/2.0/UDP 185.132.68.116;rport;branch=z9hG4bKDXygHvZyjcvZS
> Max-Forwards:70
> f:"Davide Zanichelli"<sip:3454558075 at 185.132.68.116>;tag=jFD3trFDj8t0p
> t:<sip:100247 at 69.172.96.197:5060>;tag=5ec9692a0e334203ac38ef8afd16122a
> i:92665309-d5ae-1239-fc81-9259e6a86632
> CSeq:31015784 BYE
> User-Agent:FreeSWITCH-mod_sofia/1.6.20~64bit
>
> Allow:INVITE,ACK,BYE,CANCEL,OPTIONS,MESSAGE,INFO,UPDATE,REGISTER,REFER,PRACK,NOTIFY,PUBLISH,SUBSCRIBE
> k:precondition,100rel,path,replaces
> Reason:Q.850;cause=16;text="NORMAL_CLEARING"
> l:0
>
> ||||||||||||||||||||
>
>
> Il giorno mar 19 gen 2021 alle ore 19:22 Jeremy McNamara <
> mcnamara.jeremy at gmail.com> ha scritto:
>
>> Hi - I too have been working with RTPEngine a lot lately.   I have needed
>> to use branch mr9.1.1 - especially if you need Websocket support.
>>
>>
>> On Tue, Jan 19, 2021 at 7:15 AM Daniel-Constantin Mierla <
>> miconda at gmail.com> wrote:
>>
>>> Hello,
>>>
>>> I built rtpengine deb packages for debian just a few days ago and all
>>> went fine. I used the file mr8.5.1.5.tar.gz from the github releases of
>>> rtpengine project.
>>>
>>> However, I noticed that some past releases fail to build because of the
>>> tests. I had to edit a bit the Makefile to disable the tests target.
>>>
>>> Cheers,
>>> Daniel
>>>
>>
>>
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>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
> _______________________________________________
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-- 
Regards,

David Villasmil
email: david.villasmil.work at gmail.com
phone: +34669448337
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