[SR-Users] need help with RTPProxy in bridged mode

SamyGo govoiper at gmail.com
Thu Aug 13 15:25:30 CEST 2015


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 at 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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>
>
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