AT&T MDC 9000 User Manual download pdf (Page 6)

Ringing Patterns

You can tell the type of call coming in by the way the phone rings:

An Outside Call will Ring...Ring...Ring...Ring...Ring...Ring...

An Intercom Call will

Ring-BEEP...Ring-BEEP...Ring-BEEP...

A Transferred Call will Ring-BEEP-BEEP...Ring-BEEP-BEEP...

Lights

Red (top) light shows activity at another extension.

Green (bottom) light shows activity at your extension.

Steady on: Line or pool* is in use.

Off (off continuously): Line or pool* is idle, available for use.

Flash (long on, long off): Call is ringing on the line or in the pool*, or

another extension is calling you.

Alternating Red/Green Flash: (red on, green on, red on, green

on): Appears at all extensions in a conference or joined call.

Wink (long on, short off): Call is on hold (anyone with the line can retreive

the call).

Green Flutter (short on, short off): Call is on exclusive hold (only

extension that put the call on hold can retreive it), a transferred call is returning

to you, or you are being manually signaled by the extension. On PARTNER II

systems only, flutter also can mean Caller ID Inspect feature is on or you are

receiving a coverage call.

Red Broken Flutter (short on and off followed by long off): Fax

trouble.

Pool buttons apply only to PARTNER II systems in Hybrid mode

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AT&T MDC 9000 User Manual Page 6