18 Aug
2020
18 Aug
'20
7:25 p.m.
Thinks 180 Ringing messages do not contain SDP.
Some misunderstanding present here
Sergey
On Tue, Aug 18, 2020 at 9:51 AM Ildar Mukhametzhanov <im(a)voice-on.de> wrote:
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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