Yealink SIP-T21 E2

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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To customize a dob formatted logo file using the PictureExDemo tool:
1. Double click the PictureExDemo.exe.
2. Click Add button to open a *.bmp file.
You can repeat the second step to add multiple original picture files.
3. Click the Convert button.
Then you can find the DOB logo files in the adv directory.
Configuring the Logo Shown on the Idle Screen
Procedure
The logo shown on the idle screen can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure the logo shown on the
idle screen.
Parameter:
phone_setting.lcd_logo.mode