Yealink T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
104
unfolded.
Note: It is only applicable to T48S/T48G IP phones.
Permitted
Values
Auto, Default.jpg, 01.jpg, 02.jpg, 03.jpg, 04.jpg, 05.jpg, 06.jpg, 07.jpg, 08.jpg, 09.jpg or
10.jpg or uploaded custom wallpaper name (for example, wallpaper.jpg)
Default
Auto
(use the wallpaper configured by the parameter “phone_setting.backgrounds”)
Web UI
Settings->Preference->Wallpaper with Dsskey Unfold
Phone UI
Menu->Basic->Display->Dsskey Wallpaper
Wallpaper Customization
You can configure a custom picture, such as company logo, and then upload the custom picture to the IP
phone that users can choose from when changing wallpaper for idle screen or Dsskey screen.
Topics
Custom Wallpaper Picture Limit
Custom Wallpaper Configuration
Deleting a Custom Picture
Custom Wallpaper Picture Limit
Either the smaller or the larger picture will be scaled proportionally to fit the screen. The wallpaper
picture format must meet the following:
Phone Model
Format
Resolution
Single File Size
Note
T54S/T52S/EXP50
*.jpg/*.png/
*.bmp/*.jpeg
<=4.2 megapixels
<=5MB
2MB of space
should be
reserved for the
phone
T48S/G
<=2.0 megapixels
<=5MB
T46S/T46G/T29G
<=1.8 megapixels
<=5MB
Custom Wallpaper Configuration
The following table lists the parameter you can use to upload a custom picture.
Parameters
wallpaper_upload.url
<y0000000000xx>.cfg
Description
It configures the access URL of the custom wallpaper picture.
Note: It is only applicable to T54S/T52S/T48S/T48G/T46S/T46G/T29G IP phones.
Permitted
URL within 511 characters

Yealink T40G Specifications

General

SIP Accounts	3
Wall Mountable	Yes
Opus Codec	No
Display	2.3 inch 132x64-pixel graphical LCD
Network	Dual-port Gigabit Ethernet
PoE	Yes
Headset Support	Yes, RJ9 port
Power Adapter	Optional
Voice Codecs	G.722, G.711(A/μ), G.729AB, G.726
Local Phonebook	1000 entries