ATL Telecom IP300S - Manual (Page 85)

IP SIP Phone v2 User’s Guide Mar. 2005
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13. NAT Traversal
If this terminal locates within a local area network and you want to place a call to public
internet, you must configure your terminal to traverse the NAT and firewall it currently behind.
To learn determine whether you resides on public internet or local area network, please
click 『IP SIP Phone』 to show the current Host IP:
If your host IP is within any of the listed ranges, then your terminal resides on LAN,
otherwise, it locates on public internet.
z 10.0.0.0 ~ 10.255.255.255 (10.xxx.xxx.xxx).
z 172.16.0.0 ~ 172.31.255.255 (172.16.xxx.xxx ~ 172.31.xxx.xxx).
z 192.168.0.0 ~ 192.168.255.255 (192.168.xxx.xxx).
Note: if your host IP is 127.0.0.1, you should reconfigure your network to acquire a valid IP.
13.1. Public Internet Configuration