Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Save the language pack and place it to the provisioning server.
Custom Language for Phone Display Configuration
The following table lists the parameters you can use to configure a custom language for the phone display.
Parameter
gui_lang.url <y0000000000xx>.cfg
Description
It configures the access URL of the custom LCD language pack for the phone user interface.
Note: You can also download multiple language packs to the phone simultaneously.
Permitted
Values
URL within 511 characters
Default
Blank
Parameter
gui_lang.delete <y0000000000xx>.cfg
Description
It deletes the specified or all custom LCD language packs of the phone user interface.
Permitted
Values
For example http://localhost/all or http://localhost/X.GUI.name.lang
X starts from 017, “name” is replaced with the language name.
Default
Blank
Example: Setting a Custom Language for Phone Display
The following example shows the configuration for uploading custom language files “017.GUI.English_17.lang” and
“018.GUI.English_18.lang”, and then specify “017.GUI.English_17.lang” to display on the phone user interface.
These language files are customized and placed on the provisioning server “192.168.10.25”.
Example
gui_lang.url= http://192.168.10.25/017.GUI.English_17.lang
gui_lang.url= http://192.168.10.25/018.GUI.English_18.lang
lang.gui=English_17

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