Yealink SIP-T40G Administrator's Guide

Phone Customization
249
Web UI
Features > Power LED > Mute Power Light Flash
Parameter
phone_setting.hold_and_held_power_led_flash_
enable
<y0000000000xx>.cfg
Description
It enables or disables the power LED indicator to flash when a call is placed on hold or is held.
Permitted
Values
0-Disabled (power LED indicator does not flash)
1-Enabled ( power LED indicator fast flashes (0.5s) red)
For T19(P) E2 phones:
0-Disabled (power LED indicator does not flash)
1-Enabled ( power LED indicator fast flashes (0.5s) yellow)
Default
0
Supported
Devices
All phones except CP920
Web UI
Features > Power LED > Hold/Held Power Light Flash
Parameter
phone_setting.talk_and_dial_power_led_enable <y0000000000xx>.cfg
Description
It enables or disables the power LED indicator to be turned on when the phone is busy.
Permitted
Values
0-Disabled (power LED indicator is off)
1-Enabled (power LED indicator glows red)
For T19(P) E2 phones:
0-Disabled (power LED indicator is off)
1-Enabled (power LED indicator glows yellow)
Default
0
Supported
Devices
All phones except CP920
Web UI
Features > Power LED > Talk/Dial Power Light On
Parameter
phone_setting.missed_call_power_led_flash.en-
able
<y0000000000xx>.cfg
Description
It enables or disables the power LED indicator to flash when the phone misses a call.
Permitted
Values
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator slowly flashes (1s) red)
For T19(P) E2 phones:
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator slowly flashes (1s) yellow)
Default
1
Supported
Devices
All phones except CP920
Web UI
Features > Power LED > MissCall Power Light Flash
Parameter
phone_setting.autop_led_flash_enable <y0000000000xx>.cfg

Yealink SIP-T40G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Wi-Fi	No
Security algorithms	AES, HTTPS, SSL/TLS
Networking standards	IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP, TFTP, HTTP, HTTPS
Voice codecs	G.711, G.711a, G.711u, G.722, G.726, G.729ab
RJ-11 ports quantity	1
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.6 W
Certification	CE, FCC, ISO 9001
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 90 %
Volume control	Digital
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Lines quantity	3 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	54 mm