Yealink SIP-T2 SERIES Administrator's Manual page 209

Parameters
Settings->Time & Date->Time Format
Phone User Interface:
Menu->Settings->Basic Settings->Time & Date->Time & Date Format->Time Format
local_time.date_format
Description:
Configures the date format.
Valid values are:
0-WWW MMM DD
1-DD-MMM-YY
2-YYYY-MM-DD
3-DD/MM/YYYY
4-MM/DD/YY
5-DD MMM YYYY
6-WWW DD MMM
Note: ―WWW‖ represents the abbreviation of the week, ―DD‖ represents a two-digit
day, ―MMM‖ represents the first three letters of the month, ―YYYY‖ represents a
four-digit year, and ―YY‖ represents a two-digit year.
Web User Interface:
Settings->Time & Date->Date Format
Phone User Interface:
Menu->Settings->Basic Settings->Time & Date->Time & Date Format->Date Format
To configure the time and date manually via web user interface:
1. Click on Settings->Time & Date.
2. Select Enabled from the pull-down list of Manual Time.
Configuring Basic Features
Permitted Values
0, 1, 2, 3, 4, 5 or 6
Default
0
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