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 <rizk...@gmail.com > <mailto:rizk...@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 <dan...@pocos.nl > <mailto:dan...@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); > } > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users > mailing list > sr-users@lists.sip-router.org > <mailto:sr-users@lists.sip-router.org> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
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