[OpenSIPS-Users] Create and send a 180 reply messsage

[M S]

Hi list,
I am having a problem that my upstream provider disconnects the call if my
client does not send 180/183 before 200 OK.
At the time of receiving 200 OK (in reply_route) I can check to see if
previously a 180/183 was also sent or not.
My solution is: as soon as I receive a 200 OK from the client, if 180/183
was not received before, I create a 180 ringing message and send it to
upstream, before passing on 200. Now I realized that none of the usual
methods (send_reply, sl_send_reply, t_send_reply) work from reply_route,
and I have no idea how to use dlg_send_sequential to send a "180 ringing".
Any ideas would be appreciated.

Thank you!
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