Are the Asterisk Implementation below recommended? Scenario One: Asterisk PBX is installed as gateway with two NICs. The internal NIC servers a network LAN of only Polycom IP phones while the other NIC is the public interface(static) I also have a few Polycom IP phones connecting from homes. Specs: Debian Linux, IPtables for Firewall Scenario Two: Asterisk PBX is installed as standalone with one NIC (public). Firewall (IPtables, Debian Linux) with two NICs - The internal NIC serves a network LAN of only Polycom IP phones while the other NIC is the public interface (static) I also have a few Polycom IP phones connecting from homes to the Asterisk PBX.