Hello!

Decrypting SRTP with Kamailio + rtpengine.
Hello! I have a task to decrypt SRTP for a legacy switch which doesn’t support 
it.
Simply adding rtpengine_manage("RTP/AVP") didn’t help. SDP converted from SRTP 
to RTP while proxying INVITE to legacy switch, but 180 Ringing wasn’t converted 
back to SRTP.
Little more detailed config snippet:

route[RELAY] {
        ...
        if (is_method("INVITE")) {

                if ($rd=~$var(switch_ip_mask)) {
                        rtpengine_manage("RTP/AVP");
                } else {
                        rtpengine_manage();
                }
        ...
        }

Could someone please advise typical scenarios to achieve it, I suppose the task 
is pretty standard.

Thank you in advance!


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