Yealink SIP-T40G User Manual

Customizing Your Phone
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change the language for the phone user interface and the web user interface respectively.
Changing the Language for the Phone User Interface
Procedure:
1. Navigate to Menu->Basic->Language.
For the SIP-T42S/T42G/T41S/T41P/T40G/T40P IP phone, navigate to
Menu->Settings->Basic Settings->Language.
2. Select the desired language.
3. Press Save.
Text displayed on the phone user interface will change to the selected language.
Changing the Language for the Web User Interface
Procedure:
1. Select the desired language from the pull-down list at the top-right corner of web user
interface.
Text displayed on the web user interface will change to the selected language.
Time & Date
You can configure the phone to obtain the time and date from the SNTP server automatically, or
configure the time and date manually.
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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