Re: [SR-Users] Kamailio drop calls with Teams

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(a)gmail.com&gt;) 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@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@FQND:5061;user=phone] > kamailio[1096]: 9(1109) DEBUG: <core> [core/parser/msg_parser.c:174]: > get_hdr_field(): to body [<sip:+34590@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(a)gmail.com&gt;) 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@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@sip.pstnhub.microsoft.com:5061;user=phone> >> ;tag=c17bb1eb7f8649d4a89d8d4a876ac32b. >> TO: <sip:+34560@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@CLIENT_IP:55766;transport=UDP;rinstance=d47edf336726e940>. >> To: <sip:+34560@FQND:5061;user=phone>;tag=de4e6b45. >> From: "Javier Gonz..lez Mu..oz" >> <sip:+324@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@CLIENT_IP:55766;transport=UDP;rinstance=d47edf336726e940>. >> To: <sip:+34560@FQND:5061;user=phone>;tag=de4e6b45. >> From: "Javier Gonz..lez Mu..oz" >> <sip:+324@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@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(a)lists.kamailio.org https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users