[OpenSIPS-Users] multiple rtpproxy for multiple NAT?

[Bogdan-Andrei Iancu]

Hi Matt,

If you need to change network on each NAT, then you will definitely need 
2 instances of rtpproxies (of course, if the call requires the RTP to 
traverse all 3 networks.

For chaining multiple RTPproxyes, try to :
1) set the "f" flag
2) set the "r" flag

See http://www.opensips.org/html/docs/modules/1.7.x/rtpproxy.html#id292738

Regards,
Bogdan

On 12/06/2011 05:33 PM, Matt Hamilton wrote:
> I'm trying to handle NAT in 2 different places - far-end between UAC 
> and Opensips, and between Opensips and Asterisk cluster behind. I was 
> able to get them going separately, but have been some audio problems 
> when I try to put them together using only 1 rtpproxy (is this 
> possible?). Anyway is it possible/easier/feasible to use a separate 
> proxy for each NAT traversal?
>
>
>
>
> rtpproxy1               started with '-l 12.157.5.6'
> rtpproxy2 (bridge mode) started with '-l 12.157.5.6/192.168.100.75'
>
>                                    |                     |
>                                    |                     |
> UAC--------------Firewall-----------------Opensips-----------------Asterisk
> 192.168.1.2      70.147.3.4        |      12.157.5.6     |         
> 192.168.100.128
>                                    |     192.168.100.75  |
>                                    |                     |
>                                  NAT1                   NAT2
> rtpproxy1              rtpproxy2 (bridge mode)
>
>
> Thanks a lot,
> Matt
>
>
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-- 
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
OpenSIPS solutions and "know-how"

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