Hi Alberto, Removing the outbound proxy solved the problem. Thanks for your help.
Cheers, Serhat On 30 October 2016 at 10:52, Alberto Llamas <albertollam...@gmail.com> wrote: > Hi Serhat, > > I am not sure how is the setup of your network, but you should remove the > outbound proxy setting from sipml5 (SIP outbound Proxy URL: udp:// > 192.168.0.11:4060). > > Test it and let us know. > > Regards, > > On Sat, Oct 29, 2016 at 9:38 PM, Serhat Guler <srtgu...@gmail.com> wrote: > >> Hi all, >> >> I am still stuck with the ACK message not being forwarded by the >> originating PCSCF. Any advice would be great. >> >> Thanks, >> Serhat >> >> On 24 October 2016 at 21:00, Serhat Guler <srtgu...@gmail.com> wrote: >> >>> Hi Daniel, >>> >>> I am using only record_route() without any parameters. I do not have a >>> proper computer atm to draw the network diagram, but I can tell you shortly >>> about the network setup. >>> >>> I have only enabled websockets for the pcscf to allow ws and wss >>> connections. In that case there is a ws connection that uses UDP protocol. >>> This is the ACK to complete the session setup. >>> >>> the sipml5 client is configured as follows: >>> WebSocket Server URL: ws://192.168.0.11:880 >>> SIP outbound Proxy URL: udp://192.168.0.11:4060 >>> >>> Mercuro IMS client: uses UDP port as well: 4060 >>> >>> The call is made from sipml5 client. The Mercuro phone rings, and when I >>> reply the call, 200 OK is sent to sipml5 webrtc client, but the ACK from >>> sipml5 doesn't pass the PCSCF as I explained in the previous message. >>> >>> A part of PCSCF cfg file: >>> >>> # Check for Subsequent requests: >>> if (has_totag()) { >>> # sequential request withing a dialog should >>> # take the path determined by record-routing >>> if (loose_route()) { >>> if ($route_uri =~ "sip:mo@.*") { >>> setflag(FLT_MO); >>> } >>> if(!isdsturiset()) { >>> handle_ruri_alias(); >>> } >>> # RTP-Relay, if necessary >>> route(RTPPROXY); >>> t_relay(); >>> } else { >>> if ( is_method("ACK") ) { >>> if ( t_check_trans() ) { >>> # no loose-route, but stateful ACK; >>> # must be an ACK after a 487 >>> # or e.g. 404 from upstream server >>> t_relay(); >>> exit; >>> } else { >>> xlog("L_INFO", "ACK without matching transaction ... >>> ignore and discard!!!!!\n"); >>> # ACK without matching transaction ... ignore and >>> discard >>> exit; >>> } >>> } >>> sl_send_reply("404","Not here"); >>> } >>> exit; >>> } >>> >>> Cheers, >>> Serhat >>> >>> >>> >>> On 24 October 2016 at 20:18, Daniel-Constantin Mierla <mico...@gmail.com >>> > wrote: >>> >>>> Hello, >>>> >>>> I haven't noticed the log files, it's ok. >>>> >>>> From the Route header, I see that there is a proxy that uses WS: >>>> >>>> Route: <sip:mo@192.168.0.11:880;transport=ws;r2=on;lr=on;ftag=GxzKy >>>> 1nCMEI1mR0RztrB;did=e82.0c3> >>>> That is the address of the next hop and typically a proxy doesn't use >>>> websocket connection to another proxy. Can you show a diagram with the sip >>>> server nodes in your network and what protocols are used between them? >>>> >>>> Are you simply use record_route() function, or some other function or >>>> different parameters to it? >>>> >>>> Cheers, >>>> Daniel >>>> >>>> >>>> On 24/10/16 12:18, Serhat Guler wrote: >>>> >>>> Hi Daniel, >>>> >>>> Thanks for your reply. I actually attached a log file with debug level >>>> 3, consisting ACK related messages. If you would like to see more logs, >>>> I'll send a new log file in the evening. >>>> >>>> Cheers, >>>> Serhat >>>> >>>> On 24 October 2016 at 12:13, Daniel-Constantin Mierla < >>>> mico...@gmail.com> wrote: >>>> >>>>> Hello, >>>>> >>>>> can you get all the log messages for ACK but with debug=3 in the >>>>> kamailio.cfg? >>>>> >>>>> Cheers, >>>>> Daniel >>>>> >>>>> On 23/10/16 22:04, Serhat Guler wrote: >>>>> >>>>> ​Hello, >>>>> >>>>> I finally managed to place a call from sipml5 webrtc client​ to >>>>> Mercuro IMS client. The phone rings, and when I answer it sends 200 OK to >>>>> the sipml5 where as sipml5 send back an ACK message which never passes the >>>>> originating PCSCF. The PCSCF says: >>>>> >>>>> 8(3640) WARNING: <core> [msg_translator.c:2729]: via_builder(): >>>>> TCP/TLS connection (id: 0) for WebSocket could not be found >>>>> 8(3640) ERROR: <core> [msg_translator.c:1947]: >>>>> build_req_buf_from_sip_req(): could not create Via header >>>>> 8(3640) ERROR: <core> [forward.c:548]: forward_request(): building >>>>> failed >>>>> >>>>> I doubt that the WebSocket connection is closed, cause when I >>>>> terminate the call from Mercuro client a bye request is being sent to the >>>>> sipml5. >>>>> >>>>> The ACK package: >>>>> >>>>> ACK sip:alice@192.168.0.10:49794;transport=udp SIP/2. >>>>> Via: SIP/2.0/WS df7jal23ls0d.invalid;branch=z9 >>>>> hG4bKvuly7bmxnN4aqM4zZTIS;rport >>>>> From: "Bob"<sip:b...@net1.test>;tag=GxzKy1nCMEI1mR0RztrB >>>>> To: <sip:al...@net1.test>;tag=18823 >>>>> Contact: "Bob"<sip:bob@df7jal23ls0d.invalid;rtcweb-breaker=no;click2c >>>>> all=no;transport=ws>;+g.oma.sip-im;language="en,fr" >>>>> Call-ID: 5a500969-d0fa-14d1-7d0e-8605f4356ca6 >>>>> CSeq: 3887 ACK >>>>> Content-Length: >>>>> Route: <sip:192.168.0.11:4060;lr;sipml5-outbound;transport=udp> >>>>> Max-Forwards: 69 >>>>> Route: <sip:mo@192.168.0.11:880;transport=ws;r2=on;lr=on;ftag=GxzKy >>>>> 1nCMEI1mR0RztrB;did=e82.0c3> >>>>> Route: <sip:mo@192.168.0.11:4060;r2=on;lr=on;ftag=GxzKy1nCMEI1mR0Rz >>>>> trB;did=e82.0c3> >>>>> Route: <sip:mo@192.168.0.11:6060;lr=on;ftag=GxzKy1nCMEI1mR0RztrB;di >>>>> d=e82.f062> >>>>> Route: <sip:mt@192.168.0.11:6060;lr=on;ftag=GxzKy1nCMEI1mR0RztrB;di >>>>> d=e82.f062> >>>>> Route: <sip:mt@192.168.0.11:4060;lr=on;ftag=GxzKy1nCMEI1mR0RztrB;di >>>>> d=e82.1c3> >>>>> User-Agent: IM-client/OMA1.0 sipML5-v1.2016.03.04 >>>>> Organization: Doubango Telecom >>>>> >>>>> Have been thinking for quite a while, but couldn't really find a >>>>> reason why it wouldn't add the v,a header. A debug 3 level log file is >>>>> also >>>>> attached. >>>>> >>>>> Thanks in advance, >>>>> Serhat >>>>> >>>>> >>>>> _______________________________________________ >>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing >>>>> listsr-us...@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >>>>> >>>>> -- >>>>> Daniel-Constantin Mierlahttp://twitter.com/#!/miconda - >>>>> http://www.linkedin.com/in/miconda >>>>> Kamailio Advanced Training, Berlin, Oct 24-26, 2016 - >>>>> http://www.asipto.com >>>>> >>>>> _______________________________________________ SIP Express Router >>>>> (SER) and Kamailio (OpenSER) - sr-users mailing list >>>>> sr-users@lists.sip-router.org http://lists.sip-router.org/cg >>>>> i-bin/mailman/listinfo/sr-users >>>> >>>> -- >>>> Daniel-Constantin Mierlahttp://twitter.com/#!/miconda - >>>> http://www.linkedin.com/in/miconda >>>> Kamailio Advanced Training, Berlin, Oct 24-26, 2016 - http://www.asipto.com >>>> >>>> >>> >> >> _______________________________________________ >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list >> sr-users@lists.sip-router.org >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >> >> > > > -- > Alberto Llamas > Phone: +1-786-805-6003 > Telecommunications Engineer > Digium Certified Asterisk Professional (dCap) > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > >
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