Thanks Khan. I tried this before and it did not work, but your documentation
is the most comprehensive one, great job. May be i need some more tune up
for my setup. Basically I can make a call from UA behind NAT to PSTN through
opesips/rtpproxy outbound. I have installed opensips and rtpproxy on the
same Public IP address. I have a confusion over, whether I should run
rtpproxy in bridge mode with dual interface to be able to make rtp flow
between 2 UAs behind 2 different NATs ? Or is the single interface setup
sufficient ?
The first INVITE from UA1 to UA2 ( SDP c= IP address is modified correctly
as rtpproxy's IP address and sent to UA2)
The 200 OK response SDP from UA2 , reaches opensips .. and fwd as is, with
UA2's private IP address in SDP and UA1 cannot sent media. I made sure the
[onreply route1] method is called in script and the force_rtp_proxy() is
invoked by printing xlog. But rtpproxy is not modifying the 200 OK SDP. This
is my exact problem. This indicates that I might have to run rtpproxy in
bridge mode. Also the new opensips documentation I see new functions
rtpproxy_offerSDP and rtpproxy_answer() functions. But I need no example
using those. Every one is still using the deprecated force_rtp_proxy(),
which I think is ok as long as it works.
Thanks in advance. I'm in Chicago too.
On Tue, Oct 20, 2009 at 9:30 PM, Khan wrote:
> Mani,
>
> There is a complete working configuration posted at the following blog
> link:
> http://voiprookie.blogspot.com/2009/04/rtpproxy-12x-installation.html
>
> You might need to tuneup a little bit based on your needs but last time i
> have tried it and it was functional.
>
>
> --
> Khan
>
>
> VoIP Rookie
> Every beginning has an end regardless we believe it or not...
>
> On Tue, Oct 20, 2009 at 8:20 PM, Manivasagam Sivaraman <
> smvasagam2...@gmail.com> wrote:
>
>> Dear Pros
>>
>> The nathelper documentation is good as shown below
>> http://www.opensips.org/html/docs/modules/1.5.x/nathelper.html#id228280
>>
>> Seems like from 1.5.x many nathelper functions are deprecated and new
>> functions are introduced like rtpproxy_offer and rtpproxy_answer.
>>
>> Actually NAT traversal is still a nightmare for many and beginers it would
>> be better if some professional post a full working opensips.cfg
>> nathelper/rtpproxy configuration script for the latest 1.5.3. THe above
>> documents shows bits and pieces, but a full working config example will
>> really help. Could any one please post a working example of opensips.cfg
>> nathelper configuration please. I searched and foind only old configuration
>> that does not work well.
>>
>> Thanks in Advance. I really appreaciate your understanding.
>> Mani
>>
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