Avaya Communication Manager Administrator's Manual page 1056

Screen Reference
Ringing
Use this field to control the LED color and flash rate while a call is ringing.
Note:
This field only applies to 8400 and 6400 series telephones. The 2400 series
Note:
phone uses icons rather then LEDs. Correct operation in the Japanese
environment requires the administrator to select the values red and wink for this
field. The default values are green and flash.
Valid entries
green or red
off
wink
inverse-wink
flash
flutter
broken-flutter
steady
Idle
Use this field to control the LED of a station that is idle. The default value is steady.
Note:
This field only applies to 8400 and 6400 series telephones. The 2400 series
Note:
phone uses icons rather then LEDs. This value controls the red LED. Correct
operation in the Japanese environment requires the administrator to select the
value off for this field.
Valid entries
steady
off
1056 Administrator Guide for Avaya Communication Manager
Usage
Indicate the LED color.
Indicate the flash rate.
Usage
LED is on. This is the default.
LED is off.