[OpenSIPS-Users] PRACK response to 183 without SDP

[Ovidiu Sas]

You can change the 183 into an 180 and let the prack take its course.

Alternatively, you can remove 100rel from the initial INVITE and drop the
183 without SDP.

-ovidiu

On Mon, Jan 18, 2021 at 11:05 solarmon <solarmon at one-n.co.uk> wrote:

> 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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