[OpenSIPS-Users] OpenSips as simple frontend to Asterisk to deal with NAT

[Bogdan-Andrei Iancu]

Hello,

yes, you can do all of those with OpenSIPS  - it is just a matter of 
scripting logic and using the one of the nat handling modules:
     nathelper - 
http://www.opensips.org/html/docs/modules/1.10.x/nathelper.html
     nat_traversal - 
http://www.opensips.org/html/docs/modules/1.10.x/nat_traversal.html

Both modules will help you with mangling the SIP messages and with doing 
SIP pinging.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 18.02.2014 12:57, Rudy Eschauzier wrote:
> My Asterisk appliance works poorly with NATed clients. Now I'd like to run OpenSips on my internet-facing router to help the NAT performance. Although I understand that OpenSips is the preferred choice for registrating clients, the fact that the Asterisk appliance is a closed box forces me to find an alternative.
>
> What I would like is the following:
>
> -Run OpenSips on the router
> -Have OpenSips act as a stateless proxy, only forwarding and mangling messages
> -Handle all registration requests on the Asterisk box
> -Make sure NATed clients can be are kept alive & can be reached
> -Avoid OpenSips database use (not to overload the router)
> -Not use a RTP proxy (the public RTP ports can be forwarded to Asterisk, so clients can talk directly to the PBX)
>
> This way, from a user perspective nothing will change in the setup, except that OpenSips takes care of NAT.
>
> Is this at all possible?
>
>
>
>
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