Yealink SIP-T2 SERIES Administrator's Manual page 638

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
When X=14, the default value is 2 (Forward).
For ext keys:
When Y=1, the default value is 37 (Switch).
When Y= 2 to 20, 22 to 40, the default value is 0 (NA).
Note: It is not applicable to CP860 IP phones.
Web User Interface:
DSSKey->Line Key->Type
Phone User Interface:
Menu->Features->DSS Keys->Line Key X->Type
linekey.X.label/
programablekey.X.label/
expansion_module.X.key.Y.label
Description:
(Optional.) Configures the label displayed on the LCD screen for each DSS key.
For line keys:
X ranges from 1 to 29 (for SIP VP-T49G/SIP-T48G)
X ranges from 1 to 27 (for SIP-T46G/T29G)
X ranges from 1 to 15 (for SIP-T42G/T41P)
X ranges from 1 to 21 (for SIP-T27P)
X ranges from 1 to 3 (for SIP-T40P/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
For programable keys:
X ranges from 1 to 4.
For ext keys:
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 IP phones.
Web User Interface:
DSSKey->Line Key->Label
Phone User Interface:
Menu->Features->DSS Keys->Line Key X->Label
To configure a hot desking key via web user interface:
Click on DSSKey->Line Key.
1.
In the desired DSS key field, select Hot Desking from the pull-down list of Type.
2.
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Parameters
Permitted
Values
String within
99 characters
Default
Blank