[SR-Users] Kamailio drop calls with Teams
Pepelux
pepeluxx at gmail.com
Thu Sep 3 13:02:17 CEST 2020
It looks good but in the capture file I saw FQNDIP in RR and not FQNDDNS
This post by Henning may help you:
https://skalatan.de/en/blog/kamailio-sbc-teams
And also you can read that:
http://sip-router.1086192.n5.nabble.com/Kamailio-as-SBC-for-Microsoft-Teams-td181493.html
This is a response from my Kamailio to Teams. Maybe it can be useful for
you:
tag: snd
pid: 1394
process: 1
time: 1599126436.582012
date: Thu Sep 3 11:47:16 2020
proto: tls ipv4
srcip: SBC-IP-ADDR
srcport: 5061
dstip: 52.114.75.24
dstport: 5061
~~~~~~~~~~~~~~~~~~~~
SIP/2.0 200 OK
Via: SIP/2.0/TLS 52.114.75.24:5061;branch=z9hG4bK8ac0b4eb
Record-Route: <sip:SBC-DNS-DOMAIN:5060;r2=on;lr>
Record-Route: <sip:SBC-DNS-DOMAIN:5061;transport=tls;r2=on;lr>
Record-Route: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061;transport=tls;lr>
From: Pepelux <sip:+34XXXXXXXXX at sip.pstnhub.microsoft.com:5061
;user=phone>;tag=3a6ca98c0a9a46c98ad781c82f389c4d
To: <sip:+34YYYYYYYYY at SBC-DNS-DOMAIN:5061;user=phone>;tag=as524dd8d6
Call-ID: 99ac64b5ad3455be9fd8c838cbdd4c6c
CSeq: 1 INVITE
Server: Asterisk PBX 16.2.1~dfsg-1+deb10u1
Allow:sINVITE, ACK, CANCEL, OPTIONS, BYE, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
MESSAGE
Supported: replaces
Contact: <sip:+34YYYYYYYYY at SBC-IP-ADDR:5080>
Content-Type: application/sdp
Content-Length: 532
v=0
o=root 11212956 11212956 IN IP4 SBC-IP-ADDR
s=Asterisk PBX 16.2.1~dfsg-1+deb10u1
c=IN IP4 SBC-IP-ADDR
t=0 0
m=audio 30444 RTP/SAVP 8
a=maxptime:150
a=mid:1
a=rtpmap:8 PCMA/8000
a=sendrecv
a=rtcp:30445
a=crypto:1 AES_CM_128_HMAC_SHA1_80
inline:13aivX1dzg2Pbon6bNcvyzNenxMbtvCEh65mnL0t
a=ptime:20
a=ice-ufrag:oysP7oty
a=ice-pwd:Vsv8LeF21onN8NFIKhOvpF53zL
a=candidate:MLkUNexgYqowLxtY 1 UDP 2130706431 SBC-IP-ADDR 30444 typ host
a=candidate:MLkUNexgYqowLxtY 2 UDP 2130706430 SBC-IP-ADDR 30445 typ host
~~~~~~~~~~~~~~~~~~~~
tag: rcv
pid: 1412
process: 19
time: 1599126436.612972
date: Thu Sep 3 11:47:16 2020
proto: tls ipv4
srcip: 52.114.75.24
srcport: 6209
dstip: SBC-IP-ADDR
dstport: 5061
~~~~~~~~~~~~~~~~~~~~
ACK sip:+34YYYYYYYYY at SBC-IP-ADDR:5080 SIP/2.0
FROM: Pepelux <sip:+34XXXXXXXXX at sip.pstnhub.microsoft.com:5061
;user=phone>;tag=3a6ca98c0a9a46c98ad781c82f389c4d
TO: <sip:+34YYYYYYYYY at SBC-DNS-DOMAIN:5061>;user=phone;tag=as524dd8d6
CSEQ: 1 ACK
CALL-ID: 99ac64b5ad3455be9fd8c838cbdd4c6c
MAX-FORWARDS: 70
VIA: SIP/2.0/TLS 52.114.75.24:5061;branch=z9hG4bK693bb042
ROUTE:
<sip:SBC-DNS-DOMAIN:5061;transport=tls;r2=on;lr>,<sip:SBC-DNS-DOMAIN:5060;r2=on;lr>
CONTACT: <sip:api-du-c-euwe.pstnhub.microsoft.com:443
;x-i=21167d9c-8cf9-4253-b059-2d987fadae5a;x-c=99ac64b5ad3455be9fd8c838cbdd4c6c/d/8/90df5d0ec92048de868e268fa57ac0f1>
CONTENT-LENGTH: 0
USER-AGENT: Microsoft.PSTNHub.SIPProxy v.2020.9.1.3 i.EUWE.7
ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
Regards
On Thu, 3 Sep 2020 at 12:34, sip user <sipuser404 at gmail.com> wrote:
> Hi Pepelux,
>
> I have this one:
>
> remove_hf("Route");
> if (is_method("INVITE|SUBSCRIBE")) {
> if($src_ip != "IP ASTERISK"){
> record_route();
> xlog("L_INFO", "***********ROUTE PSTN***********");
> $rU="1005";
> } else {
> xlog("L_INFO","LLamada desde $si con puerto $sp");
> record_route_preset("FQNDDNS:5061;transport=tls",
> "FQNDIP:5060");
> add_rr_param(";r2=on");
> route(DISPATCH);
> route(RELAY);
> }
> }
>
> When the call is from Teams (src_ip != "IP ASTERISK"), incoming calls, I
> send the call to 1005 extension. Is here where I have to make the change?
> Or where?
>
> Thanks
>
> El jue., 3 sept. 2020 a las 12:14, Pepelux (<pepeluxx at gmail.com>)
> escribió:
>
>> Hi
>>
>> Kamailio doesn't receive any ACK from Teams. I think the problem is the
>> '200 Ok' that you send to Teams is not what he expected. Maybe this is
>> wrong:
>> Record-Route: <sip:FQNDIP;r2=on;lr>
>> Record-Route: <sip:FQNDIP:5061;transport=tls;r2=on;lr>
>>
>> Try to put the registered domain (FQNDDNS) and not de IP address
>>
>> Regards
>>
>>
>>
>> On Thu, 3 Sep 2020 at 10:56, sip user <sipuser404 at gmail.com> wrote:
>>
>>> Sorry.. Yes, I need to load sipdump.so module..
>>>
>>> I attach the result..
>>>
>>> Thanks
>>>
>>> El mar., 1 sept. 2020 a las 14:03, Pepelux (<pepeluxx at gmail.com>)
>>> escribió:
>>>
>>>> Hi
>>>>
>>>> Have you loaded the module?
>>>>
>>>> loadmodule "sipdump.so"
>>>>
>>>> On Tue, 1 Sep 2020 at 13:56, sip user <sipuser404 at gmail.com> wrote:
>>>>
>>>>> Hi pepelux.. When I set:
>>>>>
>>>>> modparam("sipdump", "enable", 1)
>>>>>
>>>>>
>>>>> Error, Kamailio not start, error bad config..
>>>>>
>>>>> Thanks
>>>>>
>>>>> El mar., 1 sept. 2020 a las 13:45, Pepelux (<pepeluxx at gmail.com>)
>>>>> escribió:
>>>>>
>>>>>> Sorry, I've sent last mail without finishing :)
>>>>>>
>>>>>> https://kamailio.org/docs/modules/5.5.x/modules/sipdump.html
>>>>>>
>>>>>> You only have to load the module and set:
>>>>>>
>>>>>> modparam("sipdump", "enable", 1)
>>>>>>
>>>>>>
>>>>>> Also you can enable or disable using RPC commands:
>>>>>>
>>>>>> kamcmd sipdump.enable
>>>>>> kamcmd sipdump.enable 1
>>>>>> kamcmd sipdump.enable 0
>>>>>>
>>>>>>
>>>>>> Regards
>>>>>>
>>>>>> On Tue, 1 Sep 2020 at 13:37, Pepelux <pepeluxx at gmail.com> wrote:
>>>>>>
>>>>>>> Hi
>>>>>>>
>>>>>>> https://kamailio.org/docs/modules/5.5.x/modules/sipdump.html
>>>>>>>
>>>>>>> You only have to load the module and set:
>>>>>>>
>>>>>>> modparam("sipdump", "enable", 1)
>>>>>>>
>>>>>>> kamcmd sipdump.enable 1
>>>>>>> kamcmd sipdump.enable 0
>>>>>>>
>>>>>>> modparam("sipdump", "enable", 1)
>>>>>>>
>>>>>>>
>>>>>>> On Tue, 1 Sep 2020 at 13:23, sip user <sipuser404 at gmail.com> wrote:
>>>>>>>
>>>>>>>> Hi Daniel..
>>>>>>>>
>>>>>>>> And how load sipdump?
>>>>>>>> I'm using kamailio 5.2.1-1 and I think sipdump module is not
>>>>>>>> available, right?
>>>>>>>>
>>>>>>>> Thanks
>>>>>>>>
>>>>>>>> El mar., 1 sept. 2020 a las 12:27, Daniel-Constantin Mierla (<
>>>>>>>> miconda at gmail.com>) escribió:
>>>>>>>>
>>>>>>>>> Hello,
>>>>>>>>>
>>>>>>>>> it seems that the ACK comes in, but my guess is that the R-URI is
>>>>>>>>> not properly set. From the logs it looks like same value as for To header
>>>>>>>>> URI, while it should be the address in Contact header of 200ok for INVITE.
>>>>>>>>>
>>>>>>>>> Load the sipdump module and that will save all the sip traffic in
>>>>>>>>> a text file, making it easier to see what comes/goes on both directions, no
>>>>>>>>> matter is over tls or not. If you use kamailio devel version (master
>>>>>>>>> branch), then sipdump module can also store traffic in pcap file (tls
>>>>>>>>> traffic saved as udp for simplicity, but it is easy to spot from headers or
>>>>>>>>> meta data extra header).
>>>>>>>>>
>>>>>>>>> You can send the sipdump file here for investigation, so we can
>>>>>>>>> see if some headers or r-uri are not correct.
>>>>>>>>>
>>>>>>>>> Cheers,
>>>>>>>>> Daniel
>>>>>>>>> On 01.09.20 11:15, sip user wrote:
>>>>>>>>>
>>>>>>>>> Hi Daniel, thanks for answered to me...
>>>>>>>>>
>>>>>>>>> With debug=3 I see that:
>>>>>>>>>
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/msg_parser.c:610]: parse_msg(): SIP Request:
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/msg_parser.c:612]: parse_msg(): method: <ACK>
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/msg_parser.c:614]: parse_msg(): uri:
>>>>>>>>> <sip:+34590 at FQND:5061;user=phone;transport=tls>
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/parse_addr_spec.c:185]: parse_to_param(): add param:
>>>>>>>>> tag=92e2fd8688a9d17b927d9be2f84faa55-8079
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
>>>>>>>>> reached, state=29
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/msg_parser.c:171]: get_hdr_field(): <TO> [94]; uri=[
>>>>>>>>> sip:+34590 at FQND:5061;user=phone]
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/msg_parser.c:174]: get_hdr_field(): to body [
>>>>>>>>> <sip:+34590 at FQND:5061;user=phone>], to tag
>>>>>>>>> [92e2fd8688a9d17b927d9be2f84faa55-8079]
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSEQ>: <1> <ACK>
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
>>>>>>>>> <branch> = <z9hG4bKf4784e39>; state=16
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/msg_parser.c:500]: parse_headers(): this is the first via
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core> [core/receive.c:240]:
>>>>>>>>> receive_msg(): --- received sip message - request - call-id:
>>>>>>>>> [d3649f52dc0057768ec6c18733de8206] - cseq: [1 ACK]
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/msg_parser.c:185]: get_hdr_field(): content_length=0
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: <core>
>>>>>>>>> [core/parser/msg_parser.c:89]: get_hdr_field(): found end of header
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: {1 1 ACK
>>>>>>>>> d3649f52dc0057768ec6c18733de8206} <core> [core/receive.c:295]:
>>>>>>>>> receive_msg(): preparing to run routing scripts...
>>>>>>>>> kamailio[1096]: 9(1109) DEBUG: {1 1 ACK
>>>>>>>>> d3649f52dc0057768ec6c18733de8206} sl [sl_funcs.c:397]: sl_filter_ACK(): too
>>>>>>>>> late to be a local ACK!
>>>>>>>>>
>>>>>>>>> So, I understand that ACK comes from Teams, right? So kamailio
>>>>>>>>> routing problem?
>>>>>>>>>
>>>>>>>>> Thanks
>>>>>>>>>
>>>>>>>>> El mar., 25 ago. 2020 a las 15:32, Daniel-Constantin Mierla (<
>>>>>>>>> miconda at gmail.com>) escribió:
>>>>>>>>>
>>>>>>>>>> Hello,
>>>>>>>>>>
>>>>>>>>>> run with debug=3 in kamailio.cfg and see if the ACK comes to
>>>>>>>>>> Kamailio, if yes, then some routing issue in kamailio.cfg. If does not
>>>>>>>>>> come, you will have to check the headers to see if MS Teams expects
>>>>>>>>>> something else there, typically is about Record-Route domains...
>>>>>>>>>>
>>>>>>>>>> Cheers,
>>>>>>>>>> Daniel
>>>>>>>>>> On 20.08.20 12:25, sip user wrote:
>>>>>>>>>>
>>>>>>>>>> Hi, I'm connecting Teams with kamailio server. From Kamailio to
>>>>>>>>>> teams I have no problems, but from teams to Kamailio yes. Drop the call..
>>>>>>>>>>
>>>>>>>>>> With ngrep I see that:
>>>>>>>>>>
>>>>>>>>>> INVITE
>>>>>>>>>> sip:1005 at CLIENT_IP:55766;transport=UDP;rinstance=d47edf336726e940
>>>>>>>>>> SIP/2.0.
>>>>>>>>>> Record-Route: <sip:FQND_IP;r2=on;lr>.
>>>>>>>>>> Record-Route: <sip:FQND_IP:5061;transport=tls;r2=on;lr>.
>>>>>>>>>> FROM: "Javier Gonz..lez Mu..oz"
>>>>>>>>>> <sip:+324 at sip.pstnhub.microsoft.com:5061;user=phone>
>>>>>>>>>> ;tag=c17bb1eb7f8649d4a89d8d4a876ac32b.
>>>>>>>>>> TO: <sip:+34560 at FQND:5061;user=phone>.
>>>>>>>>>> CSEQ: 1 INVITE.
>>>>>>>>>> CALL-ID: c1364913e582553a9a9c2544c3583b0a.
>>>>>>>>>> MAX-FORWARDS: 69.
>>>>>>>>>> Via: SIP/2.0/UDP
>>>>>>>>>> 92.222.217.64;branch=z9hG4bK7bb5.0fbae76a37829205e04279f220a26af2.0;i=a1.
>>>>>>>>>> VIA: SIP/2.0/TLS 52.114.76.76:5061;branch=z9hG4bKd216a55.
>>>>>>>>>> RECORD-ROUTE:
>>>>>>>>>> <sip:sip-du-a-eu.pstnhub.microsoft.com:5061;transport=tls;lr>.
>>>>>>>>>> CONTACT:
>>>>>>>>>> <sip:api-du-a-euno.pstnhub.microsoft.com:443;x-i=b0b53fc5-76ef-4619-9a68-13e0a4eea92d;x-c=c1364913e582553a9a9c2544c3583b0a/d/8/6c25eb3789a14bf188ce6b05b5e27891>
>>>>>>>>>> .
>>>>>>>>>> CONTENT-LENGTH: 1091.
>>>>>>>>>> MIN-SE: 300.
>>>>>>>>>> SUPPORTED: timer.
>>>>>>>>>> USER-AGENT: Microsoft.PSTNHub.SIPProxy v.2020.7.31.1 i.EUNO.0.
>>>>>>>>>> CONTENT-TYPE: application/sdp.
>>>>>>>>>> ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY.
>>>>>>>>>> P-ASSERTED-IDENTITY: <tel:+324> <+324>,<sip:EMAIL>.
>>>>>>>>>> PRIVACY: id.
>>>>>>>>>> SESSION-EXPIRES: 3600.
>>>>>>>>>> .
>>>>>>>>>> v=0.
>>>>>>>>>> o=- 165103 0 IN IP4 127.0.0.1.
>>>>>>>>>> s=session.
>>>>>>>>>> c=IN IP4 52.113.44.8.
>>>>>>>>>> b=CT:10000000.
>>>>>>>>>> t=0 0.
>>>>>>>>>> m=audio 50452 RTP/SAVP 104 9 103 111 18 0 8 97 101 13 118.
>>>>>>>>>> c=IN IP4 52.113.44.8.
>>>>>>>>>> a=rtcp:50453.
>>>>>>>>>> a=ice-ufrag:FZTb.
>>>>>>>>>> a=ice-pwd:yD3P7nr+xNq0VYdv7xpB1F+Y.
>>>>>>>>>> a=rtcp-mux.
>>>>>>>>>> a=candidate:1 1 UDP 2130706431 52.113.44.8 50452 typ srflx raddr
>>>>>>>>>> 10.0.33.240 rport 50
>>>>>>>>>>
>>>>>>>>>> U CLIENT_IP:55766 -> FQND_IP:5060 #2
>>>>>>>>>> SIP/2.0 180 Ringing.
>>>>>>>>>> Via: SIP/2.0/UDP
>>>>>>>>>> FQND_IP;branch=z9hG4bK7bb5.0fbae76a37829205e04279f220a26af2.0;i=a1.
>>>>>>>>>> Via: SIP/2.0/TLS 52.114.76.76:5061;branch=z9hG4bKd216a55.
>>>>>>>>>> Record-Route: <sip:FQND_IP;lr;r2=on>.
>>>>>>>>>> Record-Route: <sip:FQND_IP:5061;transport=tls;r2=on;lr>.
>>>>>>>>>> Record-Route:
>>>>>>>>>> <sip:sip-du-a-eu.pstnhub.microsoft.com:5061;transport=tls;lr>.
>>>>>>>>>> Contact:
>>>>>>>>>> <sip:1005 at CLIENT_IP:55766;transport=UDP;rinstance=d47edf336726e940>
>>>>>>>>>> .
>>>>>>>>>> To: <sip:+34560 at FQND:5061;user=phone>;tag=de4e6b45.
>>>>>>>>>> From: "Javier Gonz..lez Mu..oz"
>>>>>>>>>> <sip:+324 at sip.pstnhub.microsoft.com:5061;user=phone>
>>>>>>>>>> ;tag=c17bb1eb7f8649d4a89d8d4a876ac32b.
>>>>>>>>>> Call-ID: c1364913e582553a9a9c2544c3583b0a.
>>>>>>>>>> CSeq: 1 INVITE.
>>>>>>>>>> User-Agent: 3CXPhone 6.0.26523.0.
>>>>>>>>>> Content-Length: 0.
>>>>>>>>>>
>>>>>>>>>> U CLIENT_IP:55766 -> FQND_IP:5060 #3
>>>>>>>>>> SIP/2.0 200 OK.
>>>>>>>>>> Via: SIP/2.0/UDP
>>>>>>>>>> FQND_IP;branch=z9hG4bK7bb5.0fbae76a37829205e04279f220a26af2.0;i=a1.
>>>>>>>>>> Via: SIP/2.0/TLS 52.114.76.76:5061;branch=z9hG4bKd216a55.
>>>>>>>>>> Record-Route: <sip:FQND_IP;lr;r2=on>.
>>>>>>>>>> Record-Route: <sip:FQND_IP:5061;transport=tls;r2=on;lr>.
>>>>>>>>>> Record-Route:
>>>>>>>>>> <sip:sip-du-a-eu.pstnhub.microsoft.com:5061;transport=tls;lr>.
>>>>>>>>>> Contact:
>>>>>>>>>> <sip:1005 at CLIENT_IP:55766;transport=UDP;rinstance=d47edf336726e940>
>>>>>>>>>> .
>>>>>>>>>> To: <sip:+34560 at FQND:5061;user=phone>;tag=de4e6b45.
>>>>>>>>>> From: "Javier Gonz..lez Mu..oz"
>>>>>>>>>> <sip:+324 at sip.pstnhub.microsoft.com:5061;user=phone>
>>>>>>>>>> ;tag=c17bb1eb7f8649d4a89d8d4a876ac32b.
>>>>>>>>>> Call-ID: c1364913e582553a9a9c2544c3583b0a.
>>>>>>>>>> CSeq: 1 INVITE.
>>>>>>>>>> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE,
>>>>>>>>>> NOTIFY, REFER, INFO, MESSAGE.
>>>>>>>>>> Content-Type: application/sdp.
>>>>>>>>>> Supported: replaces.
>>>>>>>>>> User-Agent: 3CXPhone 6.0.26523.0.
>>>>>>>>>> Content-Length: 1067.
>>>>>>>>>> .
>>>>>>>>>> v=0.
>>>>>>>>>> o=3cxVCE 324945090 117647850 IN IP4 .
>>>>>>>>>> s=3cxVCE Audio Call.
>>>>>>>>>> t=0 0.
>>>>>>>>>> m=audio 0 RTP/SAVP 104 9 103 111 18 0 8 97 101 13 118.
>>>>>>>>>> c=IN IP4 52.113.44.8.
>>>>>>>>>> a=rtpmap:104 SILK/16000.
>>>>>>>>>> a=rtpmap:9 G722/8000.
>>>>>>>>>> a=rtpmap:103 SILK/8000.
>>>>>>>>>> a=rtpmap:111 SIREN/16000.
>>>>>>>>>> a=fmtp:111 bitrate=16000.
>>>>>>>>>> a=rtpmap:18 G729/8000.
>>>>>>>>>> a=fmtp:18 annexb=no.
>>>>>>>>>> a=rtpmap:0 PCMU/8000.
>>>>>>>>>> a=rtpmap:8 PCMA/8000.
>>>>>>>>>> a=rtpmap:97 RED/8000.
>>>>>>>>>> a=rtpmap:101 telephone-event/8000.
>>>>>>>>>> a=fmtp:101 0-16.
>>>>>>>>>> a=rtpmap:13 CN/8000.
>>>>>>>>>> a=rtpmap:118 CN/16000.
>>>>>>>>>> a=rtcp:50453.
>>>>>>>>>> a=ice-ufrag:FZTb.
>>>>>>>>>> a=ice-pwd:yD3P7nr+xNq0VYdv7xpB1F+Y.
>>>>>>>>>> a=rtcp-mux.
>>>>>>>>>> a=candidate:1 1 UDP 213
>>>>>>>>>>
>>>>>>>>>> I never received ACK..
>>>>>>>>>>
>>>>>>>>>> In my configuration:
>>>>>>>>>>
>>>>>>>>>> Kamailio.cfg:
>>>>>>>>>>
>>>>>>>>>> #!KAMAILIO
>>>>>>>>>> #!define WITH_TLS
>>>>>>>>>>
>>>>>>>>>> event_route[tm:local-request] {
>>>>>>>>>>
>>>>>>>>>> if(is_method("OPTIONS") && $ru =~ "pstnhub.microsoft.com")
>>>>>>>>>> {
>>>>>>>>>> append_hf("Contact: <sip:FQND:5061;transport=tls>
>>>>>>>>>> \r\n");
>>>>>>>>>> }
>>>>>>>>>> xlog("L_INFO", "Sent out tm request: $mb\n");
>>>>>>>>>> }
>>>>>>>>>>
>>>>>>>>>> request_route{
>>>>>>>>>>
>>>>>>>>>> remove_hf("Route");
>>>>>>>>>> if (is_method("INVITE|SUBSCRIBE")) {
>>>>>>>>>> xlog("L_INFO","$fU is trying to call to $rU con
>>>>>>>>>> valores $tu\n");
>>>>>>>>>> $rU="1005";
>>>>>>>>>> }
>>>>>>>>>> }
>>>>>>>>>>
>>>>>>>>>> What I'm doing wrong?
>>>>>>>>>>
>>>>>>>>>> I don't understand why not received ACK..
>>>>>>>>>>
>>>>>>>>>> Could anyone help me?
>>>>>>>>>>
>>>>>>>>>> Thanks
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>>>>>>>> Funding: https://www.paypal.me/dcmierla
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>>>>>>> Funding: https://www.paypal.me/dcmierla
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>
>>>>>>> _______________________________________________
>>>>>> Kamailio (SER) - Users Mailing List
>>>>>> sr-users at lists.kamailio.org
>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>
>>>>> _______________________________________________
>>>>> Kamailio (SER) - Users Mailing List
>>>>> sr-users at lists.kamailio.org
>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>
>>>> _______________________________________________
>>>> Kamailio (SER) - Users Mailing List
>>>> sr-users at lists.kamailio.org
>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>> _______________________________________________
>>> Kamailio (SER) - Users Mailing List
>>> sr-users at lists.kamailio.org
>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
> _______________________________________________
> 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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