Hi, Nick!
From your traces, I can see that the RTPProxy session is properly
established (you have both an offer and an answer). But on the media
level, all I can see is that Asterisk (the callee) is sending RTP to
caller, but the caller doesn't send anything. Also, this is what
RTPProxy indicates (RTP stats: 86 in from callee, 0 in from caller).
Most likely you should checkwhere is the NAT Box trying to sendRTP.
Best regards,
Razvan Crainea
OpenSIPS Core Developer
http://www.opensips-solutions.com
On 03/15/2013 02:00 AM, Nick Khamis wrote:
Hello Everyone,
I am having problem getting RTP packets flowing smoothly. The setup is
NAT Box (192.168.2.1) <-> OpenSIPS/RTPProxy (192.168.2.5) <-> Asterisk
(192.168.2.10)
I know that media is reaching the boxes since I see:
OpenSIPS (192.168.2.5)
0.000000 192.168.2.10 -> 192.168.2.5 UDP 214 Source port: 24454
Destination port: 20198
0.000099 192.168.2.5 -> 81.201.85.45 UDP 214 Source port: 39810
Destination port: 13272
0.017956 192.168.2.10 -> 192.168.2.5 UDP 214 Source port: 24454
Destination port: 20198
0.018028 192.168.2.5 -> 81.201.85.45 UDP 214 Source port: 39810
Destination port: 13272
0.037760 192.168.2.10 -> 192.168.2.5 UDP 214 Source port: 24454
Destination port: 20198
0.037814 192.168.2.5 -> 81.201.85.45 UDP 214 Source port: 39810
Destination port: 13272
Asterisk CLI (192.168.2.10)
Sent RTP P2P packet to 192.168.2.5:20198 (type 00, len 000160)
Sent RTP P2P packet to 192.168.2.5:20198 (type 00, len 000160)
Sent RTP P2P packet to 192.168.2.5:20198 (type 00, len 000160)
Sent RTP P2P packet to 192.168.2.5:20198 (type 00, len 000160)
Sent RTP P2P packet to 192.168.2.5:20198 (type 00, len 000160)
Sent RTP P2P packet to 192.168.2.5:20198 (type 00, len 000160)
Sent RTP P2P packet to 192.168.2.5:20198 (type 00, len 000160)
RTPProxy Messages:
INFO:handle_command: new session
KN74JOEJTRFDVOR3PEH7I5XGBA@81.201.85.45, tag 86219;1 requested, type
strong
INFO:handle_command: new session on a port 20198 created, tag 86219;1
INFO:handle_command: pre-filling caller's address with 81.201.85.45:13272
INFO:handle_command: lookup on ports 20198/39810, session timer restarted
INFO:handle_command: pre-filling callee's address with 192.168.2.10:24454
INFO:handle_delete: forcefully deleting session 1 on ports 20198/39810
INFO:remove_session: RTP stats: 86 in from callee, 0 in from caller,
86 relayed, 0 dropped
INFO:remove_session: RTCP stats: 0 in from callee, 0 in from caller, 0
relayed, 0 dropped
INFO:remove_session: session on ports 20198/39810 is cleaned up
It says 86 in from callee but we do not even have incoming audio. I'm
pretty sure it's "rtpproxy_offer/answer" issue so bellow is my
configuration:
route[1] {
xlog("Start Call Route For: [ fu=$fu/ tu=$tu /ru=$ru/
ci=$ci]\n");
if (has_body("application/sdp")) {
xlog("Has SDP: $fu\n");
rtpproxy_offer();
}
}
onreply_route[1] {
xlog("Reply Route 1: [ fu=$fu/ tu=$tu /ru=$ru/ ci=$ci]\n");
if (has_body("application/sdp")) {
xlog("Answering RTP Proxy: $fu\n");
rtpproxy_answer();
}
}
Your help is greatly appreciated,
Nick.
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