Sony IPELA PCS-G70 Operating Instructions Manual page 87

The setting has been configured properly if the correct NAT address appears in
the launcher menu.
To display the NAT address in the launcher menu, you must set "Number
Display" to "NAT: Address" in the Menu Screens page of the General Setup
menu (page 59).
3
Remote parties must configure Page 1/2 of the General screen in the LAN
Setup menu in the same way.
Note
Remote parties do not need to configure the settings in the NAT/Port screen of the
LAN Setup menu as they are not in a NAT environment.
To conduct a video conference
Select "IP" under "Line I/F", enter the remote party's IP address, and dial.
Note
When using the terminal in the NAT environment, you can connect to a remote party
(global IP), but for a remote party to connect to you, you must configure your router
settings. For details on router settings, consult with the system administrator.
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Setting Up the Network Configurations
87