AT&T MDC 9000 specs

phone features Those telephone features you can use immediately no matter which communications system your telephone is connected to.

pickup group A group of telephone users which can answer calls for each other through the Call Pickup feature. Group members are determined by the system manager and are usually located in the same work area or perform similar job functions.

priority call An important or urgent call that sends a special 3-burst ring.

program/reprogram To use your dial pad to assign a telephone number to a personal list item for Abbreviated Dialing.

retrieve To collect telephone messages with the Message feature. (Also, with Call Park, to resume a call from an extension other than the one where the call was first placed or received.)

ringer The device that produces the electronic ringing sound in your telephone.

stored number A telephone number that has been programmed and stored as a 1-, 2-, or 3-digit list item for use with Abbreviated Dialing. It can be a complete or partial telephone number, an extension number, or a trunk or feature code. Once programmed, a number can be accessed by first dialing the list, then the list item digit(s) under which it is stored.

system The device that makes connections for all voice and data calls for a network, and also contains software for features. Also known as a system, switching system, or PBX (private branch exchange).

system features Those features you can use only if your telephone is connected to a DEFINITY Generic 1, Generic 2, Generic 3, System 75, or System 85 switching system.

system list One of the four types of Abbreviated Dialing lists; programmable only by the system manager. Contains telephone numbers helpful to all system users, and stores each of those numbers as a 2-digit list item.

system manager The person responsible for specifying and managing the operation of features for all the voice and data equipment in your network.

System 75 and System 85 The AT&T switch to which you may be connected. (Your telephone may be connected to DEFINITY Communications System Generic 1, Generic 2, or Generic 3 instead.) System 75 and System 85 are communications systems which transmit and receive voice and data signals for all communications equipment in your network.

trunk A telecommunications channel between your switch and the local or long distance calling network. Trunks of the same kind connecting to the same end points are assigned to the same trunk group.

trunk code A dial code of one, two, or three digits you dial to access a trunk group to place a call.