Yealink T58A Administrator's Manual page 69

3. Specify the DST attribute values within double quotes.
For example:
Add a new time zone (+6 Paradise) with daylight saving time 30 minutes:
<DST szTime="+6" szZone="Paradise" iType="1" szStart="3/5/7/2" szEnd="10/5/7/3" szOffset="30"/>
Modify the DST settings for the existing time zone "+5 Pakistan(Islamabad)" and add DST settings for
the existing time zone "+5:30 India(Calcutta)".
4. Save this file and place it to the provisioning server.
Related information
Time Zone
DST Configuration
The following table lists the parameters you can use to configure DST.
Parameter local_time.summer_time
Description It configures Daylight Saving Time (DST) feature.
Permitted Values
0-Disabled
1-Enabled
2-Automatic
Default
2
Web UI Settings > Time & Date > Daylight Saving Time
Phone UI
Parameter local_time.dst_time_type
Description It configures the Daylight Saving Time (DST) type.
Note: It works only if "local_time.summer_time" is set to 1 (Enabled).
> Settings > Device Settings > Time&Date > General > Daylight Saving
| Device Customization | 69
<MAC>.cfg
<MAC>.cfg