Yealink SIP-T54S Administrator's Manual page 962

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
X ranges from 1 to 4.
For ext keys:
For SIP-T54S/T52S:
X ranges from 1 to 3, Y ranges from 1 to 60.
For SIP-T48G/T48S/T46G/T46S:
X ranges from 1 to 6, Y ranges from 1 to 40.
For SIP-T29G/T27P/T27G:
X ranges from 1 to 6, Y ranges from 1 to 20, 22 to 40 (Ext key 21 cannot be configured).
Note: It is not applicable to CP860/CP920 IP phones
Web User Interface:
Dsskey->Line Key/Programable Key->Label
Phone User Interface:
Menu->Features->DSS Keys->Line Key X->Label
linekey.X.shortlabel
(X ranges from 1 to 21)
Description:
(Optional.) Configures the short label displayed on the LCD screen for line key.
Note: It is only applicable to SIP-T52S IP phones.
Web User Interface:
Dsskey->Line Key->Short
Phone User Interface:
Menu->Features->DSS Keys->Line Key X->Short Label
To configure phone lock via web user interface:
Click on Features->Phone Lock.
1.
Select the desired value from the pull-down list of Phone Lock Enable.
2.
Select the desired value from the pull-down list of Phone Lock Type.
3.
Enter the unlock PIN in the Phone Unlock PIN(0~15 Digit) field.
4.
936
Parameters Permitted Values
String within 99
characters
Default
Blank