Yealink T21PE2 User Manual

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
430
BLF Key LED/Icon and Behavior for Hold State Configuration
The following table lists the parameters you can use to configure BLF key LED/icon and Behavior for hold state (the call
on the monitored phone is placed on hold).
Parameter blf.enhanced.hold.enable <y0000000000xx>.cfg
Description
It enables or disables the custom configuration when the call on the monitored phone is placed on hold.
Note: It is not applicable to T48G/T46G/T42G/T41P/T29G/T19(P) E2/CP920 IP phones.
Permitted
Values
0-Disabled
1-Enabled, the IP phone will display the custom BLF/BLF List DSS key LED status/icon colors.
Default 0
Parameter blf.enhanced.hold.led <y0000000000xx>.cfg
Description
It configures the custom BLF/BLF List DSS key LED status/icon colors when the call on the monitored
phone is placed on hold.
This value uses the same macro action string syntax as an Enhanced DSS key.
Example:
blf.enhanced.hold.led = $LEDg1000o$
For T54S/T52S/T46S/T42S/T41S/T40P/T40G/T27G/T23P/T23G/T21(P) E2 IP phones, the BLF/BLF List DSS
key LED glows green for 1000ms and then goes out.
For T48S IP phones, the BLF/BLF List DSS key field displays a green icon for 1000ms and then turns to
white.
Note: It works only if “blf.enhanced.hold.enable” is set to 1 (Enabled). It is not applicable to
T48G/T46G/T42G/T41P/T19(P) E2/CP920 IP phones.
Permitted
Values
String
Default Blank
BLF Key LED/Icon and Behavior for DND State Configuration
The following table lists the parameters you can use to configure BLF key LED/icon and Behavior for DND state (DND is
activated on the monitored phone).
Parameter blf.enhanced.dnd.enable <y0000000000xx>.cfg
Description
It enables or disables the custom configuration when DND is activated on the monitored phone.
Note: It is not applicable to T48G/T46G/T42G/T41P/T29G/T19(P) E2/CP920 IP phones.
Permitted
Values
0-Disabled
1-Enabled, the IP phone will display the custom BLF/BLF List DSS key LED status/icon colors.
Default 0
Parameter blf.enhanced.dnd.led <y0000000000xx>.cfg
Description
It configures the custom BLF/BLF List DSS key LED status/icon colors when DND is activated on the mon-
itored phone.
This value uses the same macro action string syntax as an Enhanced DSS key.

Yealink T21PE2 Specifications

General

Lines	2
PoE Support	Yes
Wall Mountable	Yes
Supported Protocols	SIP
HD Audio	Yes
Ethernet Ports	2
Headset Port	Yes
Voice Codecs	G.722, G.711
Power Supply	PoE
Display	132 x 64 pixel graphical LCD