Yealink SIP-T21 E2

Configuring Basic Features
549
Parameters
Permitted Values
Default
When X=4, the default value is 30 (Menu).
When X=5, the default value is 28 (History).
When X=6, the default value is 85 (Local Favorite).
When X=9, the default value is 33 (Status).
When X=13, the default value is 0 (NA).
For ext keys:
For SIP-T54S/T52S IP phones:
When Y=1-60, the default value is 0 (NA).
For SIP-T48G/T48S/T46G/T46S IP phones:
When Y= 1 to 40, the default value is 0 (NA).
For SIP-T29G/T27P/T27G 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).
Web User Interface:
Dsskey->Line key/Programable Key->Type
Phone User Interface:
Menu->Features->DSS Keys->Line Key X->Type
linekey.X.line/ programablekey.X.line/
expansion_module.X.key.Y.line
Refer to the
following content
1-16 for lines 1-
16
Description:
Configures the desired line to apply the intercom key.
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)
For ext keys: