Yealink SIP-T54S Administrator's Manual page 218

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
For SIP-T54S/T52S IP phones, you can also set a custom picture stored in your USB flash drive
as the screen saver. In order to do this, make sure the USB flash drive containing pictures is
connected to your phone. For more information, refer to
The screen saver image format must meet the following:
Phone Model
SIP-T54S/T52S
SIP-T48G/S
SIP-
T46G/T46S/T2
9G
The following shows that the built-in screen saver is displaying on the phone:
Procedure
Screen saver can be configured using the following methods.
Central Provisioning
(Configuration File)
192
Format Resolution
<=4.2
megapixels
*.jpg/*.png/*.
<=2.0
bmp/*.jpeg
megapixels
<=1.8
megapixels
<y0000000000xx>.
cfg
Yealink phone-specific user guide
Single File
Size
<=5MB
2MB of space
should be
<=5MB
reserved for the
phone
<=5MB
Configure the time to wait in the idle state
before the screen saver starts.
Parameter:
screensaver.wait_time
Configure the type of screen saver to
display.
Parameter:
screensaver.type
.
Note