Hello Henning,

Thanks for quick reply, We armed the t_on_reply just before t_relay() in the route block. 

        t_on_reply("LOGRPL");
        if (!t_relay()) {
                sl_reply_error();
        }

Thanks,
Salah

On Thu, Aug 22, 2019 at 2:03 PM Henning Westerholt <hw@skalatan.de> wrote:

Hello Salah,

the replies are going from the UAS to the UAC over Kamailo as a proxy, with the exception of the hop-by-hop 100.

So you should see the 200 OK in the Kamailio in reply_route and onreply_route. Maybe you can check if you armed the onreply_route with t_on_reply for the INVITE routing.

Cheers,

Henning

Am 22.08.19 um 19:50 schrieb Salah Ahmed:
Hello,

We facing an issue on capturing sip message in Kamailio(Version: 5.2.3). The scenario is very simple.

UAC                    Kamailio                UAS
 |--------INVITE--------->|                     |
 |                        |-------INVITE------->|
 |                        |<------100 Trying----|
 |<-------100 Trying------|                     |
 |                        |<------200 Ok--------|
 |<-------200 Ok----------|                     |

In this simple scenario, we can't catch any reply messages in between the Kamailio and UAC. We have tried reply_route, onreply_route, and onsend_route. But no one work to grep that reply on that side. onsend_route was bad try as its only for forwarded reply message. Is there any other magic to capture those replies. A debug=3 log message attached here. 

Thanks,
Salah




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