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

[Daniel-Constantin Mierla]

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 at 192.168.0.11:880;transport=ws;r2=on;lr=on;ftag=GxzKy1nCMEI1mR0RztrB;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
> <miconda at gmail.com <mailto: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
>>
>>
>>     _______________________________________________
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>
>     -- 
>     Daniel-Constantin Mierla
>     http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/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
>     <mailto:sr-users at lists.sip-router.org>
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>     <http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users> 
>
-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Berlin, Oct 24-26, 2016 - http://www.asipto.com
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