Yealink T40G Administrator's Guide

Phone Customization
103
avoiding the display of the line key labels to be blocked by the background picture.
The following show wallpaper set on T48S/G IP phones:
Note
On T54S/T52S/T46S/T46G/T29G IP phones, the line and soft key labels display over the wallpaper picture.
The following table lists the parameters you can use to change the wallpaper.
Parameter
phone_setting.backgrounds
<y0000000000xx>.cfg
Description
It configures the wallpaper displayed on the IP phone Idle screen.
Note: It is only applicable to T54S/T52S/T48S/T48G/T46S/T46G/T29G IP phones.
Permitted
Values
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
Default.jpg
Web UI
Settings->Preference->Wallpaper
Phone UI
Menu->Basic->Display->Wallpaper
Parameter
expansion_module.backgrounds
<y0000000000xx>.cfg
Description
It configures the wallpaper displayed on the expansion module.
Example:
expansion_module.backgrounds = Default-exp50.jpg
Note: It is only applicable to EXP50 expansion modules connected to the T54S/T52S IP
phones.
Permitted
Values
Default-exp50.jpg, 01-exp50.jpg, 02-exp50.jpg, 03-exp50.jpg, 04-exp50.jpg,
05-exp50.jpg, 06-exp50.jpg, 07-exp50.jpg, 08-exp50.jpg, 09-exp50.jpg or
10-exp50.jpg or custom
Default
Default-exp50.jpg
Web UI
Settings->Preference->Wallpaper for expansion modules
Phone UI
Menu->Basic->Display->EXP Wallpaper->Wallpaper
Parameter
phone_setting.backgrounds_with_dsskey_unfold
<y0000000000xx>.cfg
Description
It configures the wallpaper displayed on the IP phone when the DSS key list is

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