CHAPTER 2. DESCRIPTION

Confirmation Tone

Three short bursts of tone; indicates that the feature operation requested (activated or deactivated) has been accepted.

Coverage Tone

One short burst of tone; indicates that a call to an extension number will be answered at another extension number by a covering user.

Dial Tone

A continuous steady tone; indicates that the system will accept dialing or that a feature can be activated.

Intercept Tone

An alternating high and low siren-type tone; indicates either that the number was dialed incorrectly or that a feature request is denied.

Reorder Tone

A fast busy tone repeated 120 times a minute; indicates either that all trunks within a particular trunk group are busy or that the feature requested is not currently available. After hearing reorder tone, the call or feature request can be attempted again later.

Call Waiting Ringback Tone

A low-pitched tone identical to the ringback tone except that the volume decreases during the last 0.2 second of tone. Indicates that the Attendant Call Waiting feature is activated and that the called voice terminal user is aware of the waiting call.

Tones Generated at Console

The attendant console also generates the following tones that are not heard through the handset:

Ringing

An on-off, low-pitched tone; indicates that an incoming call is connected to a console call appearance button and is waiting to be answered.

Calls Waiting Tone

An on-off, medium-pitched tone; indicates that one or more incoming calls are waiting in queue to be answered.

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AT&T 75 Confirmation Tone, Coverage Tone, Dial Tone, Intercept Tone, Reorder Tone, Call Waiting Ringback Tone, Ringing