Terms you should know

Directory Number (DN)

A number consisting of one to seven digits for a telephone, and also known as an extension number.

Feature display

An area that shows status information about the feature in use. It also displays the name and status of the active session.

Feature Status Lamp indicator

An LCD or an LED that indicates a data message, contact, or feature status by a flash, wink, steady on, or off.

Fixed key

The hard-labeled keys on your telephone.

Flexible Feature Codes (FFC)

Specialized codes entered using the dialpad that enable features (for example, Ring Again).

Goodbye key

A fixed key used to end an active call.

Indicator

An LCD or an LED that indicates the status of a feature by the flash, wink, steady on, or off.

Information display

Any display of call activity, lists, prompts, and status of calls. On your IP Phone 1120E, this information area is one line of text and symbols. If a text message exceeds this area, a scroll arrow icon indicates that you must use the scroll keys to view the remaining text.

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Nortel Networks 1120 manual Information display