11 Jun
2019
11 Jun
'19
11:40 a.m.
Hello,
afaik, rtpengine is suitable when using Kamailio in proxy mode,
forwarding the INVITE, not sending 200ok from it.
Maybe you should look at rtp_media_server module for building an
announcement server:
*
https://www.kamailio.org/docs/modules/devel/modules/rtp_media_server.html
It is only in master branch, not in a stable release, but maybe you can
just copy and paste it in an older branch clone tree.
Otherwise, iirc, there is a variable that you can get the sdp returned
by rtpengine and you can add it to the reply generated by kamailio. If
not, do msg_apply_changes() and get the new body with $rb variable and
append it to reply with the function from textops module.
Cheers,
Daniel
On 11.06.19 16:36, Ali Shirvani wrote:
Hi all,
I tried to implement simple announcer by using play_media function in
latest rtpengine module. I implemented simple Lua script and I tried
to test the implementation with simple SIPp scenario.
Here is the Lua function to reply the received INVITE request.
```Lua
function ksr_route_announcer()
KSR.info("======= Announcer =====\n");
local u = KSR.pv.gete("$rU");
KSR.info("username is: " .. u .. "\n");
if u == "ann" then
KSR.info("announcer has been called.\n");
if KSR.textops.has_body_type("application/sdp") then
KSR.info("request contains SDP.\n");
KSR.tm.t_newtran();
KSR.rtpengine.rtpengine_manage0();
KSR.tm.t_reply(200, "OK");
KSR.x.exit();
end
end
end
```
According to kamailio logs rtpengine modified the INVITE SDP, but I
want to add SDP to 200 OK response. How should I manage rtpengine to
append SDP answer to the 200 OK response?
The attached is the SIPp log, as you can see that last 200 OK doesn't
contain SDP.
Regards,
Ali
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