[Kamailio-Users] Having problems using RTPProxy to bridge internal/external networks

[Klaus Darilion]

Hi Alex!

Could you finally solve the issue? If yes, it would be cool if you could 
post the result (rtpproxy command line and the force_rtpproxy commands).

thanks
klaus

Alex Balashov wrote:
> No firewall rules anywhere.  That's the first thing I checked.
> 
> Besides, I did the packet capture right on the rtpproxy server;  even if 
> firewall rules were preventing media from getting out, I would still see 
> attempts to send it onto the wire.
> 
> Klaus Darilion wrote:
> 
>> maybe an iptables problem on the rtpproxy server?
>>
>> Alex Balashov wrote:
>>> Daniel-Constantin Mierla wrote:
>>>
>>>> IIRC, I use:
>>>>
>>>> if(dst_ip==private_ip)
>>>>       force_rtp_proxy("ocfaei");
>>>> else
>>>>       force_rtp_proxy("ocfaie");
>>>>
>>>> rtpproxy started with: -l external_ip/private_ip
>>>>
>>>> Probably is rtpproxy 1.1 -- cannot check right now.
>>>
>>> I just tried this and it works, from the point of view of SDP.  We 
>>> were already able to obtain this result.
>>>
>>> The problem is that the actual rtpproxy does not seem to forward the 
>>> packets that come into one interface toward the other, so no media is 
>>> exchanged.
>>>
> 
>