Yealink SIP-T31G Administrator's Guide

Advanced Features
456
Example:
blf.enhanced.hold.led = $LEDg1000o$
For T57W/T48U/T48S phones, the BLF/BLF List DSS key field displays a green icon for 1000ms and
then turns to white.
For other phones, the BLF/BLF list DSS key LED glows green for 1000ms and then goes out.
Note: It works only if “blf.enhanced.hold.enable” is set to 1 (Enabled).
Permitted
Values
String
Default
Blank
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T30P, T30, T29G, T19(P) E2 and CP920
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.
Permitted
Values
0-Disabled
1-Enabled, the phone will display the custom BLF/BLF List DSS key LED status/icon colors.
Default
0
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T30P, T30, T29G, T19(P) E2 and CP920
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
monitored phone.
This value uses the same macro action string syntax as an Enhanced DSS key.
Example:
blf.enhanced.dnd.led = $LEDrd1000o100yd300$
For T57W/T48U/T48S phones, an infinite loop for the BLF/BLF List DSS key field: displays a red icon
for 1000ms, turns to white for 100ms and then displays a yellow icon for 300ms.
For other phones, an infinite loop for the BLF/BLF list DSS key LED status: glows red for 1000ms, be
in the off state for 100ms and then glows yellow for 300ms.
Note: It works only if “blf.enhanced.dnd.enable” is set to 1 (Enabled).
Permitted
Values
String
Default
Blank
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T30P, T30, T29G, T19(P) E2 and CP920
BLF Key for Intercom Configuration
The BLF key (not include BLF List key) can also be used to initiate an intercom call.
The following table lists the parameter you can use to configure BLF key for Intercom.

Yealink SIP-T31G Specifications

General

Mounting kit	Yes
Number of handles included	1 pc(s)
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	G.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	3 W
Lines quantity	2 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	2
Sustainability certificates	RoHS, REACH
Networking standards	IEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	188 mm
Height	162 mm
Package depth	210 mm
Package width	213 mm
Package height	103 mm