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Yealink SIP-T21 E2 Administrator's Guide

Yealink SIP-T21 E2
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Configuring Basic Features
189
To change the wallpaper for expansion modules via phone user interface:
1. Press Menu->Basic->Display->EXP Wallpaper.
2. Press or , or the Switch soft key to select the desired wait time from the
Wallpaper field.
3. Press the Save soft key to accept the change.
Transparency
If you are using a custom image with a single color or complex background, it may affect your
experience of the idle screen display. Users can choose an appropriate transparency for DSS
key labels and status bar on the idle screen as required. The transparency is only applicable to
SIP-T54S/T52S/T48G/T48S IP phones.
When the transparency is set to 100%:

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Yealink SIP-T21 E2 Specifications

General IconGeneral
BrandYealink
ModelSIP-T21 E2
CategoryIP Phone
LanguageEnglish

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