Yealink SIP T2 Series Provisioning Manual page 139

Parameter
local_time.summer_time
local_time.dst_time_type
local_time.start_time
Permitted
Descriptions
Values
It configures Daylight Saving Time (DST) feature.
0-Disabled
0, 1 or 2 1-Enabled
2-Automatic
The default value is 2.
It configures the DST time type.
0-DST By Date
1-DST By Week
0 or 1
The default value is 0.
Note: It works only if the value of the parameter
"local_time.summer_time" is set to 1 (Enabled).
It configures the start time of the DST.
Value formats are:
Month/Day/Hour (for DST By Date)

Month/Day of Week Last in Month/Day of

Time
Week/Hour of Day (for DST By Week)
If "local_time.dst_time_type" is set to 0 (DST By
Date), use the mapping:
Month: 1=January, 2=February,..., 12=December
Day: 1=the first day in a month,..., 31= the last day
Appendix
Web Setting Path
Settings->Time & Date->Daylight
Saving Time
Settings->Time & Date->Fixed Type
For DST By Date:
Settings->Time & Date->Start Date
For DST By Week:
Settings->Time & Date->DST Start
Month/DST Start Day of Week/DST
Start Day of Week Last in Month/ Start
Hour of Day
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