Yealink SIP-T21 E2 Administrator's Guide

Configuring Basic Features
417
DND Key
DND key can be configured only if the DND feature is enabled. For more information on how
to configure the DSS Key, refer to Appendix D: Configuring DSS Key on page 1014.
Details of Configuration Parameters:
Parameters
Permitted Values
Default
linekey.X.type/
programablekey.X.type/
expansion_module.X.key.Y.type
5
Refer to the following
content
Description:
Configures a DSS key as a DND key on the IP phone.
The digit 5 stands for the key type DND.
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:
Note: For Yealink IP phones (except CP860), it works only if the value of the parameter
“features.dnd.allow” is set to 1 (Enabled).
Web User Interface:
None
Phone User Interface:
None

Yealink SIP-T21 E2 Specifications

General

Brand	Yealink
Model	SIP-T21 E2
Category	IP Phone
Language	English