AASTRA 6700i series, 9143, 9480i, 9480i CT SIP Administrator Guide EN - Manual (Page 297)

5-20 41-001343-01 Rev 03, Release 3.2.2
Time and Date
In addition to enabling/disabling the time server, you can also set the time and date format, set
the time zone, and set daylight savings time on the IP phones. You configure these features using
the configuration files, the IP Phone UI, or the Aastra Web UI. The following table identifies
which method of configuration applies to each feature.
Daylight Savings Time (DST) Information
The Aastra IP Phones incorporate the federally mandated DST observance change. This change
became affective starting in 2007.
The US has made a change to its daylight savings time observance starting in 2007. The Energy
Policy Act of 2005 mandates that DST will now begin at 2:00 A.M. on the second Sunday in
March and revert to Standard time on the first Sunday in November.
The changes to daylight savings time applies to the U.S. and Canada, but may impact other
countries outside North America.
Feature Method of configuration
Set Time Format Configuration Files
IP Phone UI
Aastra Web UI
Set Date Format Configuration Files
IP Phone UI
Aastra Web UI
Set Time Zone IP Phone UI
Configuration Files
Set Daylight Savings Time IP Phone UI
Configuration Files
Note: In previous years, the DST began on the first Sunday of April and
ended on the first Sunday of October.
Note: DST can be set on the phones using the IP Phone UI and
configuration files only. For more information, see “Time Zone & DST”
on page 5-21
.