[OpenSIPS-Users] PRACK response to 183 without SDP

[solarmon]

Hi,,

I have a requirement to stop 183 without SDP packets from being passed, as
well as having to reply back with a PRACK.

I can stop the 183 without SDP from being passed on with the following in
onreply_route[]

 if ($rs == "183" && !has_body_part("application/sdp")) {
                drop();
                exit;
        }

However, how do I reply back with a PRACK?

Thank you.
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