[SR-Users] No ACK from MS Teams

[Ilie Soltanici]

Hello,

I have the same issue, did you manage to fix it?

====================
tag: snd
pid: 9737
process: 6
time: 1614177689.185257
date: Wed Feb 24 14:41:29 2021
proto: tls ipv4
srcip: 1.1.1.1
srcport: 5067
dstip: 52.114.75.24
dstport: 5061
~~~~~~~~~~~~~~~~~~~~
SIP/2.0 200 OK
Via: SIP/2.0/TLS 52.114.75.24:5061;branch=z9hG4bK6b5ac083
Record-Route:
<sip:fqdn:5067;transport=tls;r2=on;ftag=7a6409ee42ac48a897be110166a2bb0b;lr=on>
Record-Route: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061;transport=tls;lr>
From: Admin<sip:+123456789 at sip.pstnhub.microsoft.com:5061
;user=phone>;tag=7a6409ee42ac48a897be110166a2bb0b
To: <sip:+987654321 at fqdn:5067;user=phone>;tag=as7ae795fd
Call-ID: dc62c921f9ad5879b00a74c6bb8a466a
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO,
PUBLISH, MESSAGE
Supported: replaces, timer
Session-Expires: 1800;refresher=uas
Contact: <sip:+9876654321 at 192.168.1.1:5060>
Content-Type: application/sdp
Require: timer
Content-Length: 336
Server: SIP Server

v=0
o=SIP 1094517697 1094517697 IN IP4 1.1.1.1
s=PBX
c=IN IP4 1.1.1.1
t=0 0
m=audio 14068 RTP/SAVP 8 0 101
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
a=sendrecv
a=crypto:1 AES_CM_128_HMAC_SHA1_80
inline:GocrDpJ7F/MCwQq9RLJad+K1/bAMplS1HRAB0jo6
||||||||||||||||||||
====================

On Thu, 11 Feb 2021 at 13:28, Phillman25 Kyriacou <phillman25 at gmail.com>
wrote:

> Hi Guys
>
> Thanks for all your recommendations.
>
> I did the change and rr headers only show the fqdn of Kamailio as you can
> see below in the 200 OK sent back to MS Teams, however still the same issue
> no ACK.
>
> ||||||||||||||||||||
> ====================
> tag: snd
> pid: 31232
> process: 6
> time: 1613047849.768857
> date: Thu Feb 11 14:50:49 2021
> proto: tls ipv4
> srcip: 82.102.42.58
> srcport: 5061
> dstip: 52.114.132.46
> dstport: 5061
> ~~~~~~~~~~~~~~~~~~~~
> SIP/2.0 200 OK
> Via: SIP/2.0/TLS 52.114.132.46:5061;branch=z9hG4bK4f5c9b66
> Record-Route: <sip:sbc.intelligentsupport.eu:5060
> ;ftag=dcea3c9546914ff8826afca13260da1c;lr=on>
> Record-Route: <sip:sbc.intelligentsupport.eu:5061
> ;transport=tls;ftag=dcea3c9546914ff8826afca13260da1c;lr=on>
> Record-Route: <sip:sip-du-a-us.pstnhub.microsoft.com:5061
> ;transport=tls;lr>
> From: Phillip Kyriacou<sip:+35722010058 at sip.pstnhub.microsoft.com:5061
> ;user=phone>;tag=dcea3c9546914ff8826afca13260da1c
> To: <sip:+35796552237 at sbc.intelligentsupport.eu:5061
> ;user=phone>;tag=as63d965d3
> Call-ID: 43f0f0be2fa05b408c81736dbe392aef
> CSeq: 1 INVITE
> Server: MediaGW V1.0
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO,
> PUBLISH, MESSAGE
> Supported: replaces, timer
> Session-Expires: 1800;refresher=uas
> Contact: <sip:+35796552237 at 82.102.42.52:5060>
> Content-Type: application/sdp
> Require: timer
> Content-Length: 339
>
> v=0
> o=root 601931926 601931926 IN IP4 82.102.42.52
> s=ASTERISK
> c=IN IP4 82.102.42.52
> t=0 0
> m=audio 16360 RTP/SAVP 0 8 101
> a=crypto:1 AES_CM_128_HMAC_SHA1_80
> inline:IyrJsjVV0w5ORJQ3OJB0r8iyRZU+1lMjg4i9vzC2
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=maxptime:150
> a=sendrecv
> ||||||||||||||||||||
> ====================
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
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