[asterisk-users] Suggestion for a new asterisk setup.

[Andrew Joakimsen]

I assume there is one NAT router for the LAN and nothing fancy, so setup the
Asterisk machine on the router/firewall (or make it such) and have it listen
on both LAN and WAN interface.

Now use a hostname for the SIP server, and run a DHCP/DNS server that will
resolve that hostname to the LAN IP address of  your router, when it is
queried from the LAN side, when from the WAN side it would just be the
regular lookup (use FQDN).

Now phones will work from anywhere, no NAT issues to deal with at all. Each
interface that asterisk runs on is isolated from the other.
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