Yealink SIP-T31G Administrator's Guide

Using Handsets with T57W/T54W/T53W/T53 Phones
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If you change this parameter, the phone will reboot to make the change take effect.
Handset Settings Parameters
Parameter
custom.handset.eco_mode.enable <y0000000000xx>.cfg
Description
It enables or disables the eco mode to greatly reduce the transmission power and signal output when
the phone is in the talk mode.
Permitted
Values
-1-Do not modify the handset configuration (Keep the original configuration of the handset).
0-Disabled
1-Enabled
Default
-1
Supported
Devices
All handsets except DD phones
Handset UI
OK > Settings > System Settings (Basic Settings) > Eco Mode
Parameter
custom.handset.color_scheme <y0000000000xx>.cfg
Description
It configures the color scheme of the handset.
Note: It will take effect on all handsets that are registered on the same phone. It works only if the value
of the parameter “static.auto_provision.handset_configured.enable” is set to 1 (Enabled).
Permitted
Values
-1-Do not modify the handset configuration (Keep the original configuration of the handset).
0-Color scheme 1
1-Color scheme 2
Default
-1
Supported
Devices
W52H
Handset UI
OK > Settings > Display > Color Schemes
Parameter
custom.handset.missed_call_notify_light.enable <y0000000000xx>.cfg
Description
It enables or disables the message key LED to flash red when the handset misses a call.
Note: It will take effect on all handsets that are registered on the same phone. It works only if “stat-
ic.auto_provision.handset_configured.enable” is set to 1 (Enabled).
Permitted
Values
-1-Do not modify the handset configuration (Keep the original configuration of the handset).
0-Disabled
1-Enabled
Default
-1
Supported
Devices
W52H
Handset UI
OK > Settings > Display > Notification Light > Missed Call
Parameter
custom.handset.voice_mail_notify_light.enable <y0000000000xx>.cfg
Description
It enables or disables the message key LED to flash when the handset receives a voice mail.
Note: It will take effect on all handsets that are registered on the same phone. It works only if “stat-
ic.auto_provision.handset_configured.enable” is set to 1 (Enabled).
Permitted
-1-Do not modify the handset configuration (Keep the original configuration of the handset).

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