AT&T System 85 manual Desk/Wall Mounting Arrangements

GENERAL INFORMATION

Confirmation Tone—(three short bursts of tone) indicates that a feature activation or cancellation has been accepted, or that an outgoing call from a single-line voice terminal has been placed in a ringback queue.

Coverage Tone—(one long burst of tone) indicates to the calling party 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 dialing or feature activation can begin.

Intercept Tone—(an alternating high and low tone) indicates either a dialing error or a denial of the service requested.

Recall Dial Tone—(three short bursts of dial tone followed by steady dial tone) indicates that the feature requested has been accepted and dialing can start.

Recorded Telephone Dictation Ready Tone—(a high-pitched continuous tone) indi- cates that a dictation machine has been connected to the voice terminal.

Reorder Tone—(a fast-busy tone repeated 120 times a minute) indicates that all outgo- ing trunks are busy or feature resource is not available. Try again.

Ringback Tone—(a low-pitched tone repeated 15 times a minute) indicates to the calling party that the number dialed has been reached successfully and is ringing.

Ringback Tone, Call Waiting—(a ringback tone with a short lower-pitched signal at the end) indicates to the calling party that the extension called is busy, but that the called party has been given the call waiting signal.

Time-OutTone—[an alternating high and low tone (same as intercept tone)] indicates a failure to dial within a preset interval (usually 10 seconds) after lifting the handset or after dialing the previous digit.

Warning Tone (Bridging)—(a low-pitched tone heard by all parties in a Busy Verification attempt that bridges on to an active call) initially applied in a 2-second (System 75 and G1) or 4-second (System 85 and G2) burst, then in half-second bursts every 15 seconds.

Desk/Wall Mounting Arrangements

All the voice terminals covered in this manual, except the Model 2554, are intended for free- standing desktop use. However, wall-mounting is feasible for many terminals and appropriate kits are available. The detailed description of each voice terminal contains wall-mounting infor- mation and limitations.

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