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CHAPTER 4. USING THE FEATURES
Facility Busy Indication
When the Facility Busy Indication feature is assigned to a button, the lamp associated with
that Busy button provides a visible indication of the active/busy status of a particular trunk
group or extension number. (The button is also labeled with the trunk group or extension
being monitored.) The lamp is lighted when the facility is active or busy and is dark when the
facility is idle; it flashes when an incoming call is received from the monitored extension
number. The button can also be used for calling the monitored facility.
A Stored Number button may be used along with the Busy button to display the number of
the facility being monitored.
This display is accomplished by pressing the Stored Number
button followed by the Busy button.
To use the Facility Busy Indication feature:
1.
Observe lamp associated with the desired [Busy] button.
• Lamp dark—monitored facility idle and can be called now; go to Step 2.
Ž Lamp lighted—facility busy. (Even though the facility is busy, it may still be
called. Another call appearance may be idle on a multi-appearance voice
terminal, or the Attendant Call Waiting feature may be activated for a single-
Iine voice terminal.)
Ž Lamp lighted—if station is a phantom extension number (administered
without hardware translation).
2. Press [Busy] button associated with monitored facility.
Ž Atnd lamp at idle call appearance button lights.
• Pos Avail lamp goes dark.
Ž Lamp at [Busy] button lights steadily.
• Normal call progress tones heard.
3. Continue call in normal way.
Facility Busy Indication lamps may also be used as alarm indicators at the console. Refer to
“Console Alarm Indicators” in Chapter 8.
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