Aastra 9143i Series Administrator's Manual page 250

IP Phone Administrator Guide
Network Settings
IP Phone UI
Step Action
8 Enter the IP Address (in dotted decimal) or qualified domain name for the Time Server.
9 Press Done to save the change.
Use the following procedure to enable/disable and configure the NTP Servers
using the Aastra Web UI.
Aastra Web UI
Step Action
1 Click on Advanced Settings->Network->Advanced Network Settings.
2 Enable the "NTP Time Servers" field by checking the check box.
(Disable this field by unchecking the box). Default is disabled.
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