Yealink SIP-T54S Administrator's Manual page 716

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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 a codec for multicast paging via web user interface:
Click on Features->General Information.
1.
Select the desired codec from the pull-down list of Multicast Codec.
2.
Click Confirm to accept the change.
3.
To configure two sending multicast addresses via web user interface:
Click on Directory->Multicast IP.
1.
Enter the sending multicast address and port number in the Paging Address field.
2.
690
Parameters Permitted Values
String within 99
characters
Default
Blank