Yealink SIP-T40G User Manual

User Guide for T4 Series IP Phones
46
Procedure:
1. Click Settings->Preference.
2. In the Upload Wallpaper(480*272) field, click Browse to choose a desired picture from
your local system.
3. Click Upload.
The custom picture you uploaded just now appears in the pull-down lists of Wallpaper.
Only the custom pictures you upload can be deleted by clicking Del from the pull-down list in
the Wallpaper field.
Deleting the Custom Picture
On SIP-T48S/T48G/T46S/T46G IP phones, you can delete the custom wallpaper via phone user
interface or via web user interface.
Procedure:
1. Navigate to Menu->Basic->Display->Wallpaper.
2. Select the desired picture.
3. Press Delete to delete the corresponding picture.
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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