AASTRA 53i sip ip phone Release Note

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RN-001029-00, Rev 01, Release 2.0 

IP Phone Release Notes 2.0

This section describes the daylight savings time change on the IP phones. This 
change applies to all IP Phone models (53i, 55i, 57i, 57i CT).

The following table describes the change in Release 2.0.1, Build 2000.

The Aastra IP Phones now incorporate the new 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. In 2007, DST begins March 11th, 2007, and ends 
November 4th, 2007.

The changes to daylight savings time applies to the U.S. and Canada, but may 
impact other countries outside North America.

This feature incorporates the new changes made to the United States DST 
into the IP phones.

In previous years, the DST began on the first Sunday of April and 

ended on the first Sunday of October.