Yealink SIP-T54S Administrator's Manual page 283

Parameters
Description:
Enables or disables the IP phone to obtain time and date from manual settings.
0-Disabled (obtain time and date from NTP server)
1-Enabled (obtain time and date from manual settings)
Web User Interface:
Settings->Time & Date->Manual Time
Phone User Interface:
None
local_time.time_format
Description:
Configures the time format.
0-Hour 12
1-Hour 24
If it is set to 0 (Hour 12), the time will be displayed in 12-hour format with AM or PM
specified.
If it is set to 1 (Hour 24), the time will be displayed in 24-hour format (e.g., 2:00 PM displays
as 14:00).
Web User Interface:
Settings->Time & Date->Time Format
Phone User Interface:
Menu->Basic->Time & Date->Time & Date Format->Time Format
local_time.date_format
Description:
Configures the date format.
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,
Configuring Basic Features
Permitted Values
0 or 1
0, 1, 2, 3, 4, 5 or 6
Default
1
0
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