[asterisk-users] Asterisk + Phones behind different Nat Firewalls

Carlos Alvarez carlos at televolve.com
Thu Apr 26 12:31:02 CDT 2012

On Thu, Apr 26, 2012 at 9:54 AM, Danny Dias <ing.diasdanny at gmail.com> wrote:

> I have a doubt (basic i guess, but not for me). I have an escenario where
> customer site has Asterisk PBX behind Nat/firewall with private IP address
> and sone phones also; BUT there are some other phones on different sites
> and of course behind its nat/firewalls; with IAX i have no problem, but
> customer wants to use SIP phones and there is no way to put IP public
> address for the Asterisk Server.

When you say you can't give the server a public IP, do you mean you can't
put it outside of NAT, or you can't use a public IP at all?  With most
routers, NAT from a public IP to a private one for the server works just
fine.  I've used Cisco, Juniper, and Sonicwall in front of an Asterisk
server, NAT IP, and SIP with no problems.

Carlos Alvarez
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