Aastra Telecom 9480i Series User Manual

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41-001160-03, Rev 00, Releaes 2.4  

IP Phone Administrator Guide

There are two ways you can set the time zone on the IP Phones.

First Method - You can set a time zone using the Time Zone option in the IP 
Phone UI or you can use the “time zone name” parameter in the configuration 
files. Both methods allow you to enter a value from the Time Zone table. The list 
of time zone names is provided in the table in Appendix A, the section, 

 on 

 The following is an example:

Second Method - You can use the “time zone name” parameter in the 
configuration files, and specify a value of “custom” for this parameter. This 
method allows you to customize the time zone for your area using additional 
configuration parameters. The following is an example using relative time for 
EST:

The following table identifies the additional parameters you can enter in the 
configuration files if you want to customize your time zone.

The number of minutes the time zone is 
offset from UTC (Coordinated Universal 
Time). This can be positive (West of the 
Prime Meridian) or negative (East of the 
Prim Meridian). Eastern Standard Time 
(EST) has a value of 300.

custom time zone minutes: 300

The number of minutes to add during 
Daylight Saving Time. Valid values are a 
positive integer between 0 to 60.

dst minutes: 60

Specifies how to interpret the start and 
end day, month, and week parameters - 
absolute (0) or relative (1).

dst [start|end] relative date: 1

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