AT&T ISDN 7505, ISDN 7507, ISDN 7506 manual

extension A dialing number of 3 to 5 digits assigned to each voice terminal connected to your DEFINITY Generic 2.

feature A special function or service, such as Conference, Hold, Send All Calls, etc.

feature code A dial code of 1 to 4 digits, which you use to activate or cancel the operation of a feature.

group list One of the 3 types of Abbreviated Dialing lists; programmable by the System Manager or a controller of the list. Contains telephone numbers useful to members of a specific group, and stored as a 1- or 2-digit list item, depending on the number of members in the list.

handset The handheld part of the voice terminal which you pick up, talk into, and listen from. Also known as the receiver.

message retriever A person authorized by the System Manager to retrieve messages for other users.

off-hookWhen the handset is removed from the cradle (for example, when you lift the handset to place or answer a call).

on-hookWhen the handset is left on the cradle.

party A person who places or answers a call.

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