Altigen AltiContact Manager Version 5.0 Administration Manual page 258

Configuration Guidelines for NAT
Public Network Configuration (AltiWare with Public IP
Address)
Figure 7. AltiWare with Public IP Address
Figure 2 shows a network layout in which AltiWare and AltiGatekeeper is
installed and running on a host with public IP address 169.254.101.2. The
local IP phones, IP Phone 1 and IP Phone 2, use public IP addresses
169.254.101.100 and 169.254.101.101, respectively. There are two remote
IP phones. IP Phone 3 with private IP address 192.168.2.100 connects to
the Internet via the Router 2, which must also support H.323 NAT. Router
2 can also sit behind a DSL/Cable Modem. Another remote IP phone, IP
Phone 4, with public IP address 202.101.54.61, connects to the Internet
directly.
Setup
The following components should be configured:
For the corporate LAN:
• AltiWare and AltiGatekeeper
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