Aastra Telecom 57I C53I manual Set Daylight Savings Time, Select Daylight Savings, 12h, 24h

IP Phone Administrator Guide Operational Features

Operational IP Phone Features

IP Phone UI

Step Action

17Select a Time Zone from the list of options.

For valid values, see Appendix A, the section, “Time and Date Settings” on page A-30.Note: The default Time Zone is US-Eastern.

18Press Done to save the Time Zone you selected.

Set Daylight Savings Time:

19Select Daylight Savings.

20Select a Daylight Savings time from the list of options. Valid values are:

•OFF

•30 min summertime

•1 hr summertime

•automatic

	Note: The default for Daylight Savings is Automatic.
21	Press Done to save the Daylight Savings value you selected.

Aastra Web UI

1Click on Basic Settings->Preferences->Time and Date Setting.

2	In the “Time Format” field, select the time format you want to use on your phone. Valid values are:
	•	12h	(12 hour format) (default)
	•	24h	(24 hour format).
	Note: The time displays on the phone’s idle screen in the format you select for this field.

5-16 41-001160-00, Rev 01 Release 2.0