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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