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Table 3-1. Light Patterns for System Phones
Each line button, calling feature button, and Auto Dial button has a green light
and a red light. The meaning of these lights varies, depending on whether a
button is used to access an outside line, a calling feature, or an intercom Auto
Dial number.
Table 3-1 shows the meanings of the various light patterns for each possible
button assignment.
Calling
Intercom Auto Dial
Light Pattern
Line Button
Feature
Button
Button
Steady On
Line is in use. Green means you are
Green
Red means the extension
using the line; red means someone at
means
whose number is stored
another extension is using the line.
feature
on the button is busy
is on
(making or answering a
call).
Off
Line is idle (not being used).
Feature Extension whose number
is off
(steady off)
is stored on the button is
idle (not being used).
Flash
A call is ringing on the line. Green
—
—
flash means a call is ringing at your
(long on, long off
extension. Red flash means a call is
ringing on the line, but not at your
extension.
Alternating Red/Green Flash
Appears at both extensions in a
—
—
(red on, green on, red on,
joined call, and at each extension
connected in a conference call.
green on)
Wink
A call on the line is on hold. Green
—
—
wink means the call is on hold at your
(long on, short off)
extension. Red wink means the call is
on hold at another extension. (Anyone
who has the line can retrieve the call.)
Flutter Green flutter means a conference call
—
—
on your line is on hold.
(short on, short off)
3-4 Learning About Telephones