Yealink SIP-T2 Series, Administrator'S Manual

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Configuring Basic Features
113
To configure contrast via phone user interface:
1. Press Menu->Settings->Basic Settings->Display->Contrast.
2. Press or , or the Switch soft key to increase or decrease the intensity of
contrast.
3. Press the Save soft key to accept the change.
Wallpaper is an image used as the background of the IP phone idle screen. Users can
select an image from IP phone’s built-in background or customize wallpaper from
personal pictures. To set the custom wallpaper as the IP phone background, you need to
upload the custom wallpaper to the IP phone in advance. The wallpaper is only
applicable to SIP VP-T49G, SIP-T48G, SIP-T46G and SIP-T29G IP phones.
For SIP VP-T49G IP phones, you can also set a custom picture stored in your USB flash
drive as the wallpaper. In order to do this, make sure the USB flash drive containing
pictures is connected to your phone. For more information, refer to
Yealink
phone-specific user guide
.
The wallpaper image format must meet the following:
Phone Model Format Resolution Single File Size Total File Size
SIP VP-T49G .jpg/.png/.bmp <=1280*800 <=5MB <=20MB
SIP-T48G .jpg/.png/.bmp <=800*480 <=5MB <=20MB
SIP-T46G/T29G .jpg/.png/.bmp <=480*272 <=5MB <=20MB
Procedure
Wallpaper can be configured using the configuration files or locally.
Configuration File <y0000000000xx>.cfg
Configure the wallpaper
displayed on the IP phone.
Parameter:
phone_setting.backgrounds
Specify the access URL of
the custom wallpaper.
Parameter:
wallpaper_upload.url
Local Web User Interface
Configure the wallpaper
displayed on the IP phone.
Upload the custom
wallpaper.