Configure the Grandstream GXP2000 for Daylight Savings

From Asterisk Australia

Grandstream GXP2000 Daylight Savings Rules

• With all parts of Australia testing and adopting new Daylight Savings, use the following to get your phone to adjust automatically.

• The "Automatic Daylight Saving Time Rule" has the following syntax:

 start-time;end-time;saving

Both start-time and end-time have the same syntax:

   month,day,weekday,hour,minute

   month: 1,2,3,..,12 (for Jan, Feb, .., Dec)

   day: [+|-]1,2,3,..,31

   weekday: 1, 2, 3, .., 7 (for Mon, Tue, .., Sun), or 0
   which means the daylight saving rule is not based on week days but based on the day of the month.

    hour: hour (0-23),

    minute: minute (0-59)

• If "weekday" is 0, it means the date to start or end daylight saving is at exactly the given date. In that case, the "day" value must not be negative.

• If "weekday" is not zero and "day" is positive, then the daylight saving starts on the first "day"th iteration of the weekday (1st Sunday, 3rd Tuesday etc).

• If "weekday" is not zero and "day" is negative, then the daylight saving starts on the last "day"th iteration of the weekday (last Sunday, 3rd last Tuesday etc).

• The ‘savings time’ is in the unit of minutes. The saving time may also be preceded by a negative (-) sign if subtraction is desired instead of addition.

• The default value for "Automatic Daylight Saving Time Rule" shall be set to "10,04,0,02,00;04,04,0,02,00;60" which is the rule for Melbourne.

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