Yealink SIP-T48G Administrator's Manual page 114

Administrator's Guide for SIP-T2_Series_T4_Series IP Phones
Parameters
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 NTP by DHCP priority feature via web user interface:
1. Click on Settings->Time & Date.
2. Select the desired value from the pull-down list of NTP by DHCP Priority.
3. Click Confirm to accept the change.
To configure the NTP server, time zone and DST via web user interface:
1. Click on Settings->Time & Date.
2. Select Disabled from the pull-down list of Manual Time.
100
Permitted Values Default