Yealink SIP-T31G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
231
Devices
Web UI
Features > General Information > Upload Logo
Parameter
phone_setting.lcd_logo.show_time <y0000000000xx>.cfg
Description
It configures the time (in seconds) the logo is displayed.
If it is set to 0 and the logo is loaded, the device will not exit the logo display page until you wake up
the device.
Note: It works only if “phone_setting.lcd_logo.mode” is not set to 0 (Off).
Permitted
Values
Integer from 0 to 21600
Default
3
Supported
Devices
T27G, T41S, T42S, T42U, T43U, T53, T53W, CP920, T31P, T31G, T31, T30P, T30
Parameter
lcd_logo.delete <y0000000000xx>.cfg
Description
It deletes all custom logo files.
Permitted
Values
http://localhost/all
Default
Blank
Supported
Devices
All black-and-white screen phones
Example: Setting a Custom Logo Display
The following example shows the configuration for uploading a custom logo picture “logo.dob”, and then setting it to
display on the phone idle screen. The logo picture is customized and placed on the provisioning server
“192.168.10.25”.
Example
lcd_logo.url =http://192.168.10.25/logo.dob
phone_setting.lcd_logo.mode =2
After provisioning, the phone displays the custom logo screen and the idle screen alternately.
Call Display
By default, the phones present the contact information (including avatar and identity) when receiving an incoming
call, dialing an outgoing call or engaging in a call.

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