Alcatel Temporis IP 600 Administrator's Manual page 23

Press the right or left navigation keys to select Off/On/Automatic options.
Press the Save soft key to save the changes.
To change the Daylight Saving Time Settings via the Web interface:
1) Go to Phone->Preference->Daylight Saving Time.
2) If you select Enable option, then you can set the Daylight Saving Time.
3) If you choose Automatic. If Automatic is chosen dates will be derived from the
content of a table saved within your configuration. This table is named AutoDST.xml
and can be changed via provisioning
Note:
By default the time zone is +1 France (Paris), Daylight Saving Time is Automatic.
Temporis IP 600 Administrator guide version 0.1 - 17 -