Yealink T46G Administrator's Manual page 123

Procedure
Daylight saving time can be configured using the configuration files or locally.
Configuration File
Local
Details of Configuration Parameters:
Parameters
local_time.summer_time
Description:
Configures Daylight Saving Time (DST) feature.
0-Disabled
1-Enabled
2-Automatic
Web User Interface:
Settings->Time & Date->Daylight Saving Time
Phone User Interface:
Menu->Basic->Date & Time->General->SNTP Settings->Daylight Saving
local_time.dst_time_type
Description:
Configures the DST time type.
0-DST By Date
1-DST By Week
Note: It works only if the value of the parameter "local_time.summer_time" is set to 1
(Enabled).
<MAC>.cfg
Web User Interface
Permitted Values
0, 1 or 2
0 or 1
Configuring Basic Features
Configure DST.
Parameters:
local_time.summer_time
local_time.dst_time_type
local_time.start_time
local_time.end_time
local_time.offset_time
Configure DST.
Navigate to:
http://<phoneIPAddress>/servlet?p
=settings-datetime&q=load
Default
2
0
109