OpenVox DGW-1004 User Manual page 7

Time
Table 2-2-1Description of Time Settings
Options Definition
System Time Your gateway system time.
Time Zone The world time zone. Please select the one which is the same or the closest as your city.
POSIX TZ String Posix timezone strings.
NTP Server 1 Time server domain or hostname. For example, [
NTP Server 2 The first reserved NTP server. For example, [
NTP Server 3 The second reserved NTP server. For example, [
Auto-Sync from NTP Whether enable automatically synchronize from NTP server or not. ON is enable, OFF is disable this function.
Sync from NTP Sync time from NTP server.
Sync from Client Sync time from local machine.
For example, you can configure like this:
Figure 2-2-1 Verbose of call status
time.asia.apple.com
time.windows.com
time.nist.gov
].
].
].