AT&T 2500 series, 7500 series manual Busy Verification of Terminal Lines, Calling Number Display

6-16DISTRIBUTED COMMUNICATIONS SYSTEM (DCS)

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Group Selection button.

Busy Verification of Terminal Lines

The attendant can verify a terminal’s state (busy or idle) at any DCS node/endpoint.

Calling Number Display

The alphanumeric display shows the caller’s extension number. The DCS console can display 5-digit as well as 4-digit extension numbers.

Class-of-Service/Restriction Display

The alphanumeric display shows the caller’s class of service/restriction (a code that corresponds to a particular set of calling privileges).

Note:

∙The System 75 or Generic 1 class of restrictions may not correspond to class of service used by DIMENSION, System 85, or Generic 2 communications systems.

∙A user’s class of service or restriction is not used in the process of completing a call. These are only available for display by the attendant.

Direct Trunk Group Selection

The 12 Direct Trunk Group Selection buttons on the attendant console can access trunk groups assigned to any DCS node.

Incoming Call Identification

The alphanumeric display shows the source of an incoming call including: DCS node identification, trunk group, and trunk number.

Trunk Group Busy/Warning Indicators

These lamps are associated with the Direct Trunk Group Selection buttons, and they notify the attendant that a previously specified number of trunks are busy.

Trunk Verification by Customer/Attendant

The attendant can use this feature on a trunk assigned to any DCS node/endpoint.