You must specify WMLIDLEURI only for phones installed in public areas through the use of a
GROUP parameter.
Table 18: Idle Timer Settings and Results
Shortest Timer
Middle Timer
Longest Timer
Operation
WMLIDLETIME and
WMLIDLEURI are
null
BAKLIGHTOFF is
non-zero
SCREENSAVERON
is non-zero
Default operation:
After BAKLIGHTOFF minutes, the
backlight is set to low power mode.
After (SCREENSAVERON –
BAKLIGHTOFF) additional minutes,
the screen saver is displayed.
WMLIDLETIME has no effect.
WMLIDLETIME and
WMLIDLEURI are
null
SCREENSAVERON
is non-zero
BAKLIGHTOFF is
non-zero
After SCREENSAVERON minutes,
the phone displays the screen saver.
After (BAKLIGHTOFF-
SCREENSAVERON) additional
minutes, the backlight is set to low
power mode.
WMLIDLETIME and
WMLIDLEURI are
non-null
BAKLIGHTOFF is
non-zero
SCREENSAVERON
is non-zero
Every WMLIDLETIME minutes, a
GET is sent for WMLIDLEURI, and
the the phone displays a browser.
The Web page may contain a timer
to cycle through additional Web
pages.
The backlight is set to low power
mode after the specified time and
the phone displays a screen saver
on the SCREENSAVERON value.
Note:
You can administer the Backlight Off icon on a IP deskphone softkey.
The behavior of backlight for any adjunct button module depends on the backlight of the
phone to which you attach the button module.
Administering Applications and Options
May 2018
Installing and Administering Avaya J169/J179 IP Phone H.323
173