Yealink SIP-T54S Administrator's Manual page 840

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
When Y= 1, 21, the default value is 37 (Switch).
When Y = 2 to 20, 22 to 40, the default value is 0 (NA).
Note: To configure a Custom Key, make sure the value of the parameter
"features.enhanced_dss_keys.enable" is set to 1 (Enabled) in advance.
Web User Interface:
Dsskey->Line Key/Programable Key->Type
Phone User Interface:
Menu->Features->DSS Keys->Line Key X->Type
linekey.X.value/
programablekey.X.value/
expansion_module.X.key.Y.value
Description:
Configures the action or function for the DSS key.
This value uses the same macro action string syntax as an Enhanced DSS Key. You can also
invoke the EDK macro. The macro name follows the character "!".
For line keys:
X ranges from 1 to 29 (for SIP-T48G/S)
X ranges from 1 to 27 (for SIP-T54S/T46G/T46S/T29G)
X ranges from 1 to 15 (for SIP-T42G/T42S/T41P/T41S)
X ranges from 1 to 21 (for SIP-T52S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
For programable keys:
X=1-10, 12-14 (for SIP-T54S/T48G/T48S/T46G/T46S)
X=1-10, 13 (for SIP-T52S/T42G/T42S/T41P/T41S/T40P/T40G)
X=1-14 (for SIP-T29G/T27P/T27G)
X=1-10, 14 (for SIP-T23P/T23G/T21(P) E2)
X=1-9, 13, 14 (for SIP-T19(P) E2)
X=1-6, 9, 13 (for CP860/CP920)
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:
814
Parameters Permitted Values
String within 99
characters
Default
Blank