[SR-Users] Error with ACK from SIPML5
Daniel-Constantin Mierla
miconda at gmail.com
Sun Jun 23 17:23:20 CEST 2013
Are you sure the error messages are printed for this ACK, because it has
to be sent via UDP, not via WS, thus the messages seem to be unrelated.
Get the log messages with debug=3 in order to see what is happening.
Cheers,
Daniel
On 6/22/13 9:10 AM, Jayesh Nambiar wrote:
> Hi,
> Is it possible that this could be a problem in the script. But when I
> call using a normal SIP Client like X-Lite, it works well. This only
> happens when the request comes on websocket. Is there something to be
> handled specially when handling requests like ACK over websocket?
> The reference is more or less taken from
> https://gist.github.com/jesusprubio/4066845
>
> --- Jayesh
>
>
> On Wed, Jun 19, 2013 at 2:14 PM, Jayesh Nambiar <jayesh1017 at gmail.com
> <mailto:jayesh1017 at gmail.com>> wrote:
>
> Hi Daniel,
> I checked using the kamcmd command and I see the webrtc connection
> active. The ACK comes from the webrtc client but somehow kamailio
> is unable to create a via header and forward the request. The ACK
> coming from webrtc client is as follows:
>
> SEND: ACK sip:1223 at 126.128.68.8:5065;transport=udp SIP/2.0
> Via: SIP/2.0/WS
> df7jal23ls0d.invalid;branch=z9hG4bKJ0Qsiuh94B2slPLp19qH;rport
> From: "Jayesh"<sip:1000001001 at ghanti.com
> <mailto:sip%3A1000001001 at ghanti.com>>;tag=vsTKsfB1ZR8EkHTPqzyc
> To: <sip:1223 at ghanti.com
> <mailto:sip%3A1223 at ghanti.com>>;tag=UQ9veX0vUg7QS
> Contact:
> "Jayesh"<sip:1000001001 at df7jal23ls0d.invalid;rtcweb-breaker=no;click2call=no;transport=ws>;+g.oma.sip-im;+sip.ice;language="en,fr"
> Call-ID: 2c76d5ee-e9d0-7f22-8be2-76e80b4ab48b
> CSeq: 42684 ACK
> Content-Length: 0
> Route: <sip:126.128.68.9:5060;lr;sipml5-outbound;transport=udp>
> Max-Forwards: 70
> Proxy-Authorization: Digest
> username="1000001001",realm="ghanti.com
> <http://ghanti.com>",nonce="UcFsQ1HBaxc84k4N1J00fpVDj9G57x5p",uri="sip:1223 at 126.128.68.8:5065;transport=udp",response="5b18a2182c335315875224f2244fb48b",algorithm=MD5
> Route:
> <sip:126.128.68.9:8080;transport=ws;r2=on;lr=on;ftag=vsTKsfB1ZR8EkHTPqzyc;nat=yes>
> Route:
> <sip:126.128.68.9;r2=on;lr=on;ftag=vsTKsfB1ZR8EkHTPqzyc;nat=yes>
> User-Agent: IM-client/OMA1.0 sipML5-v1.2013.03.27
> Organization: Doubango Telecom
>
> Where 126.128.68.9:5060 <http://126.128.68.9:5060> is the
> Kamailio; 126.128.68.8:5065 <http://126.128.68.8:5065> is a
> freeswitch playing music and the request is received on
> 126.128.68.9:8080 <http://126.128.68.9:8080> which is kamailio
> acting as a websocket server.
> Also the connection between Kamailio and Freeswitch is UDP. I am
> not able to use the websocket module just because of this small
> problem caused in signaling. Any help is really appreciated. Could
> it be related to the nathelper module?
>
> Thanks,
>
> --- Jayesh
>
>
> On Tue, Jun 18, 2013 at 2:17 PM, Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
> Hello,
>
>
> On 6/14/13 4:52 PM, Jayesh Nambiar wrote:
>> Hello All,
>> I have a setup which is SIPML5 -> Kamailio(Websocket) ->
>> Freeswitch. All I am trying to do is initiate a call from
>> SIPML5 and Play a Music file from freeswitch. This works, but
>> the call hangs up after 30 seconds due to ACK timeout from
>> from the SIPML5.
>>
>> What I can see is the SIPML5 from Chrome does send an ACK on
>> websocket, but I see the following error in kamailio syslog:
>>
>> *via_builder(): TCP/TLS connection (id: 0) for WebSocket
>> could not be found*
>> *ERROR: <core> [msg_translator.c:1725]:
>> build_req_buf_from_sip_req(): could not create Via header*
>> *ERROR: <core> [forward.c:607]: forward_request(): ERROR:
>> forward_request: building failed*
>> *ERROR: sl [sl_funcs.c:371]: sl_reply_error(): ERROR:
>> sl_reply_error used: I'm terribly sorry, server error
>> occurred (1/SL)*
>>
>> Can someone help me understand what I am missing here and why
>> kamailio is not able to create a VIA header to forward this
>> request towards freeswitch. I have built a simple config file
>> by following https://gist.github.com/jesusprubio/4066845 as
>> reference.
>>
>> Any help in understanding this is really appreciated.
> looks like the web rtc connection was down (closed by one side
> or interrupted by the network). You can check with kamcmd the
> list of active connections.
>
> Cheers,
> Daniel
>
> --
> Daniel-Constantin Mierla -http://www.asipto.com
> http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> -http://www.linkedin.com/in/miconda
> Kamailio Advanced Training, San Francisco, USA - June 24-27, 2013
> *http://asipto.com/u/katu *
>
>
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>
--
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
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