[SR-Users] Kamailio drop calls with Teams
Pepelux
pepeluxx at gmail.com
Thu Sep 3 13:22:09 CEST 2020
You have to use record_route_preset when the message is sent from Kamailio
to Teams
if (from_uri =~ ".*microsoft.com") {
record_route();
} else {
record_route_preset("SBC-DNS-DOMAIN:5061;transport=tls",
"SBC-IP-ADDR:5060");
}
On Thu, 3 Sep 2020 at 13:13, sip user <sipuser404 at gmail.com> wrote:
> Thanks Pepelux..
>
> Yes, I follow that post to configure it. But I don´t know where could be
> the problem and change Record-Route, because, in the post say, only I have
> to change it when I call from kamailio to Teams, so outgoing calls, right?
> With record-route-preset... I'm wrong?
>
> Thanks
>
> El jue., 3 sept. 2020 a las 13:07, Pepelux (<pepeluxx at gmail.com>)
> escribió:
>
>> 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
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>>>>>>> _______________________________________________
>>>>>>> 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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> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
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