AASTRA 6700i series, 9143, 9480i, 9480i CT SIP Administrator Guide EN - Manual (Page 226)

41-001343-01 Rev 03, Release 3.2.2 4-63
Network Time Servers
Network Time Protocol (NTP) is a protocol that the IP phone uses to synchronize the phone clock
time with a computer (configuration server) in the network.
To use NTP, you must enable it using the configuration files or the Aastra Web UI. You can specify
up to three time servers in your network.
Configuring NTP Servers (optional)
Use the following procedure to enable/disable and configure the NTP servers using the
configuration files.
Use the following procedure to enable/disable the NTP server using the IP Phone UI.
Note: The IP phones support NTP version 1.
Configuration Files
For specific parameters you can set in the configuration files, see Appendix A, the section, “Time Server
Settings” on page A-55.
IP Phone UI
Step Action
1 Press on the phone to enter the Options List.
2 Select Preferences.
3 Select Time and Date.
4 Select Time Server.
5 Enter your Administrator password.
Note: The IP Phones accept numeric passwords only.
6 Select Timer Server 1, Timer Server 2, or Time Server 3.
Note: The Time Servers are disabled by default.
7 To set a Time Server, press Enable. (Press Disable to disable a Time Server.)
8 Enter the IP Address (in dotted decimal) or qualified domain name for the Time Server.
9 Press Done to save the change.
For the 6739i:
1
Press the Options key on the phone to enter the Options List.
1 Press Set Time.
2 Press Timer Server 1, Time Server 2, or Time Server 3.
Note: The Time Servers are disabled by default.
3 Enter the IP Address (in dotted decimal) or qualified domain name for the Time Server.
4 Press to return to the idle screen.