[SR-Users] Not getting the final response after ringing
Daniel-Constantin Mierla
miconda at gmail.com
Thu Dec 4 11:55:38 CET 2014
Look at the sip traffic flowing though server (e.g., with ngrep on port
5060) and see where the packets are routed.
Cheers,
Daniel
On 01/12/14 11:30, Rizwan Khan wrote:
> I am not sure if its the issue on my client end as CSIPSImple is not
> sendin the PRACK that is expected by the server or the rtp ports are
> not opened.
>
> I guess the ports are opened as I can hear two way voice.
>
> But the following issues remain:
>
> 1. I cannot receive a call on the SIP number
> 2. I dont get an indication on the caller (thru CSIPSimple) that a
> call has started as in it doesnt start the call timer
> 3. The call disconnects with an error after some time ..INternal
> Server Error.
>
> Regards,
>
> Rizwan Khan
>
>
>
> On Mon, Dec 1, 2014 at 11:00 AM, Rizwan Khan <rizkhan at gmail.com
> <mailto:rizkhan at gmail.com>> wrote:
>
> Thanks for the help guys.
>
> I used a stateless proxy and was able to register. Now I am able
> to make calls as well but there is an issue.
>
> I receive multiple ringing but not receiving 200 ok after that. I
> keep on receiving the ringing messages. Although the call gets
> connected and I hear two way voice as well.
>
> Also I am call through the sip number, but its not receiving any
> calls.
>
> Any ideas?
>
> Rizwan Khan
>
>
>
> On Thu, Nov 27, 2014 at 9:04 PM, Daniel Tryba <daniel at pocos.nl
> <mailto:daniel at pocos.nl>> wrote:
>
> On Thursday 27 November 2014 08:29:51 Rizwan Khan wrote:
> > We want to use Kamailio as the pass-thru proxy in front of
> the SBC just to
> > receive the request on a random port, and then forward the
> request to the
> > SBC internally being on the same private network.
> >
> > What would be the best way to do it?
>
> If it is the best is up to the experts, but a way to do is to
> check wheter the
> source is the SBC or not. If the message is from the SBC just
> handle it
> statefully (t_relay), if it isn't from the SBC set the
> requested domain to the
> ipaddr of the SBC (10.1.2.3) and process stateful. You could
> use the received
> port instead if external clients only communicate on the
> special port
> ($Rp!=6334)
>
> kamailio.cfg:
>
> #...
> port=5060
> port=6334
> #...
>
> request_route {
> #...
>
> if($si!="10.1.2.3")
> {
> $rd="10.1.2.3";
> }
>
> route(RELAY);
> }
>
>
>
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>
>
>
>
>
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--
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
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