[sr-dev] Failed to catch some reply message with reply_route block

[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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