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

Örn Arnarson orn at arnarson.net
Fri Oct 16 12:06:28 CEST 2009


Yes, I'd be very interested to see that too :-)

Regards,
Örn

On Thu, Oct 15, 2009 at 8:41 PM, Klaus Darilion
<klaus.mailinglists at pernau.at> wrote:
> 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.
>>>>
>>
>>
>
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