Yealink SIP-T54S Administrator's Manual page 219

Web User Interface
Phone User Interface
Configuring Basic Features
Specify the access URL of the custom
screen saver image.
Parameter:
screensaver.upload_url
Delete custom screen saver image.
Parameter:
screensaver.delete
Configure the IP phone to display the
clock and icons when the screen saver
starts.
Parameter:
screensaver.display_clock.enable
Configure the interval for the IP phone to
change the picture when the screen saver
starts.
Parameter:
screensaver.picture_change_interval
Configure the interval for the IP phone to
move the clock and icons when the screen
saver starts.
Parameter:
screensaver.clock_move_interval
Configure the time to wait in the idle state
before the screen saver starts.
Configure the type of screen saver to
display.
Upload the custom screen saver image.
Delete custom screen saver image.
Navigate to:
http://<phoneIPAddress>/servlet?m=mod
_data&p=settings-preference&q=load
Configure the screen saver wait time on
the IP phone.
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