Network time synchronization lets you synchronize the telephone system time and date with the network time information that your service provider includes on calls that include caller ID. If network time synchronization is not selected the system time has to be set manually.

If network time synchronization is enabled and your service provider sends Caller ID from another time zone, the system clock will not match your local time.

Note that this feature uses the first analog trunk on the card installed in slot 1 of the system control unit.


1.Click on System in the menu bar and then click on Switch.

2.Click the Advanced button.

3.In the System Details panel, set the Enable Network Time Synchronization option as required. When enabled, the system attempt to obtain the time .

4.Click Save.