Digium Asterisk Appliance 50 AA50 Administrator's Manual page 93

The LAN tab is used to specify the settings for your local network. A
local network is usually a smaller network which is part of a WAN. The
information specified here is used to access your Asterisk Appliance 50.
The default IP address specified, 192.168.69.1, is used to access the
AsteriskGUI. You can change this address to an IP address specified in
the IP start and end ranges. In most cases, the default should be used.
The Timezone tab is used to specify the default timezone for your AA50.
The time zone information is used to set the date and time on the AA50.
The time zone files are located on the flash card which comes with your
Asterisk Appliance 50. Select the appropriate timezone from the list.
Click Set as Default to set the corresponding time zone as your default
time zone. You will need to restart your AA50 in order to complete setting
the time zone as your default. To reboot your appliance, go to Options,
Reboot, and click Reboot Now.
Note: The time zone files are named after cities that adhere to the time
zone you need.
Release 1.20
Chapter 3: Telephone System Configuration
Digium, Inc. Page 93