It’s working!
Thank you very much!!
From: sr-users [mailto:sr-users-bounces@lists.sip-router.org]
On Behalf Of Waite, Hugh
Sent: Thursday, August 13, 2015 4:02 PM
To: Kamailio (SER) - Users Mailing List <sr-users@lists.sip-router.org>
Subject: Re: [SR-Users] need help with RTPProxy in bridged mode
Hi,
If the media is coming from a different IP address than the signalling, you may need to use the ‘r’ flag to force the address in the SDP to be trusted.
You should also use the same flags in the same order, in the on-reply route. (This is all in
http://kamailio.org/docs/modules/4.3.x/modules/rtpproxy.html#idp15555616)
rtpproxy_manage(“eir”);
In the withindlg route, you don’t need to specify the ei/ie direction, but you will need to pass the ‘r’ flag.
Regards,
Hugh
From: sr-users [mailto:sr-users-bounces@lists.sip-router.org]
On Behalf Of Grant Bagdasarian
Sent: 13 August 2015 14:50
To: SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) - Users Mailing List
Subject: Re: [SR-Users] need help with RTPProxy in bridged mode
Hello,
Yeah, I also noticed I forgot the / . Now the SDP c parameter is set correctly, but the audio from private to public isn’t
relayed by rtpproxy.
I ran a tcp dump on both interfaces (private and public), and it showed me RTP is being received from Freeswitch and also
from our carrier, but nothing is passed between the two interfaces by rtpproxy. Any ideas?
Below a slim version of my config:
Request_route {
if (is_method("INVITE")) {
record_route();
if (has_body("application/sdp")) {
rtpproxy_offer("ei");
}
}
}
onreply_route[MANAGE_REPLY] {
if (has_body("application/sdp")) {
rtpproxy_answer("ie");
}
}
route[WITHINDLG] {
if (!has_totag()) return;
if (loose_route()) {
if(is_method("BYE")) {
rtpproxy_manage();
}
route(RELAY);
exit;
}
}
From: sr-users [mailto:sr-users-bounces@lists.sip-router.org]
On Behalf Of SamyGo
Sent: Thursday, August 13, 2015 3:26 PM
To: SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) - Users Mailing List <sr-users@lists.sip-router.org>
Subject: Re: [SR-Users] need help with RTPProxy in bridged mode
Hi,
Try starting rtpprpxy with a / in between the two IP addresses.
For example -l 1.1.1.1/2.2.2.2
Besides that it depends where you are placing your rtpproxy function.
BR,
Sammy
On Aug 13, 2015 8:36 AM, "Grant Bagdasarian" <gb@cm.nl> wrote:
Hello,
I’m using RTPproxy for the first time in bridged mode and I can’t get kamailio/rtpproxy to rewrite the c parameter to the correct public ip address of kamailio.
The setup is as following:
Carrier ------[fiber]------ Kamailio ---------[lan]--------- Freeswitch
Kamailio is listening on two interfaces:
1) Private: 172.0.0.1
2) Public: 192.168.0.1 (since we have a dedicated fiber with our carrier, this is its public address)
Freeswitch is listening on:
1) 172.0.0.2
Carrier is on:
1) 10.0.0.1
I’ve started an rtpproxy instance on the Kamailio box using:
rtpproxy -s udp:127.0.0.1:7721 -u rtpproxy rtpproxy -p /var/run/rtpproxy/rtpproxy.pid -l 192.168.0.1 172.0.0.1
I’ve played around with rtpproxy_manage() and the various flags (ie, ei), but I can’t get kamailio to set the correct public IP when the 200 OK has to be sent back to the carrier.
It always sets it to its private address, instead of its public address.
I’m using Kamailio 4.2 with sippy/rtpproxy 2.0.
Could someone please point me into the right direction?
Thanks!
Grant
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