[SR-Users] Error with ACK from SIPML5

Daniel-Constantin Mierla miconda at gmail.com
Tue Jun 18 10:47:03 CEST 2013


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://www.linkedin.com/in/miconda
Kamailio Advanced Training, San Francisco, USA - June 24-27, 2013
   * http://asipto.com/u/katu *

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