IBM 4 LINE TELEPHONE WITH CALLER ID -412CID - Manual (Page 10)

10
LED Status Indication
Lines 1-4
Off Line is not in use
Flashing Slowly Incoming outside call is ringing
On Steady Line is in use by another extension or phone line is not connected
To that Line.
Flashing Rapidly Line is on hold by your extension
Blink 1 Line in use by you
Blink 2 Line on hold by another extension
Blink 3 Call being transferred to your extension
Intercom
Off Not in use
Flashing Slowly You are making an intercom call or paging
Flashing Rapidly You are receiving an intercom call
Speakerphone
Off Phone in handset mode or your phone is idle
On Steady Phone in speakerphone mode
Flashing Slowly Phone in headset mode
Shift
Off First level of key functions active (lower) mode
On Steady Second level of key functions active (upper) mode
Mute
Off Extension is not muted
On Steady Extension is muted
Do Not Disturb (DND)
Off DND is OFF
On Steady DND is ON
Redial
Off Not in use or single redial
Flashing Slowly Phone in auto redial mode
Messages/New Calls
Off No messages or new calls
On Steady Phone has received new calls
Flashing Rapidly Messages have been left in voicemail box
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