Yealink SIP-T31G Administrator's Guide

Phone Customization
250
Description
It enables or disables the power LED indicator to flash when the phone receives an incoming call.
Permitted
Values
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator fast flashes (0.3s) red)
For T19(P) E2 phones:
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator fast flashes (0.3s) yellow)
Default
1
Supported
Devices
All phones except CP920
Web UI
Features > Power LED > Ringing Power Light Flash
Parameter
phone_setting.mail_power_led_flash_enable <y0000000000xx>.cfg
Description
It enables or disables the power LED indicator to flash when the phone receives a voice mail or a text
message.
Note: It works only if “account.X.display_mwi.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator slowly flashes (1s) red)
2-Enabled (if there are unread voice mails or text messages, the power LED indicator slowly flashes
(1s) red) even when the phone is busy, but value set by "phone_setting.talk_and_dial_power_led_
enable" has a higher priority.)
For T19(P) E2 phones:
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator slowly flashes (1s) yellow)
2-Enabled (if there are unread voice mails or text messages, the power LED indicator slowly flashes
(1s) yellow even when the phone is busy, but value set by "phone_setting.talk_and_dial_power_led_
enable" has a higher priority.)
Default
1
Supported
Devices
All phones except CP920
Web UI
Features > Power LED > Voice/Text Mail Power Light Flash
Parameter
phone_setting.mute_power_led_flash_enable <y0000000000xx>.cfg
Description
It enables or disables the power LED indicator to flash when a call is muted.
Permitted
Values
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator fast flashes (0.3s) red)
For T19(P) E2 phones:
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator fast flashes (0.3s) yellow)
Default
0
Supported
Devices
All phones except CP920

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