Aastra Telecom 480I CT manual Network Time Servers, Configuring NTP Servers optional

IP Phone Administrator Guide Advanced Network Settings

Configuring the IP Phones

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.

Note: The IP phones support NTP version 1.

Configuring NTP Servers (optional)

Use the following procedure to enable/disable and configure the NTP servers using the configuration files.

Configuration Files

For specific parameters you can set in the configuration files, see Appendix A, the section, “Time Server Settings” on page A-23.

Use the following procedure to enable/disable the NTP server using the IP Phone UI.

IP Phone UI

Step Action

1For 9112i/9133i:

Press Ion the phone to enter the Options List.

For 480i/480i CT:

Press %on the phone to enter the Options List.

2Select Time and Date.

3Select Time Server.

Note: The Timer Server is disabled by default.

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