[SR-Users] PCSCF cannot create via header for sipml5 ACK package

Serhat Guler srtguler at gmail.com
Mon Oct 24 12:18:03 CEST 2016


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 <miconda at 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 at 192.168.0.10:49794;transport=udp SIP/2.
> Via: SIP/2.0/WS df7jal23ls0d.invalid;branch=z9hG4bKvuly7bmxnN4aqM4zZTIS;
> rport
> From: "Bob"<sip:bob at net1.test>;tag=GxzKy1nCMEI1mR0RztrB
> To: <sip:alice at net1.test>;tag=18823
> Contact: "Bob"<sip:bob at df7jal23ls0d.invalid;rtcweb-breaker=no;
> click2call=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 at 192.168.0.11:880;transport=ws;r2=on;lr=on;ftag=
> GxzKy1nCMEI1mR0RztrB;did=e82.0c3>
> Route: <sip:mo at 192.168.0.11:4060;r2=on;lr=on;ftag=
> GxzKy1nCMEI1mR0RztrB;did=e82.0c3>
> Route: <sip:mo at 192.168.0.11:6060;lr=on;ftag=GxzKy1nCMEI1mR0RztrB;
> did=e82.f062>
> Route: <sip:mt at 192.168.0.11:6060;lr=on;ftag=GxzKy1nCMEI1mR0RztrB;
> did=e82.f062>
> Route: <sip:mt at 192.168.0.11:4060;lr=on;ftag=GxzKy1nCMEI1mR0RztrB;
> did=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-users at 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 at lists.sip-router.org
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