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Switchboard

Industry: Telecommunications

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circuit

Telecommunications; Switchboard

Loop

central office

Telecommunications; Switchboard

A telephone switching system operated by the public telephone company to which all residence telephones and business telephone systems within the local service area are connected.

call transfer

Telecommunications; Switchboard

A feature which is used to send a call to someone else by pressing the transfer key and dialing the number.

call waiting

Telecommunications; Switchboard

A feature that allows the user to be notified by a tone if another call comes in while s/he is already on the phone.

authentication code

Telecommunications; Switchboard

A code that is dialed before making a call. Use of an authorization code ensures that only authorized individuals can use the phone system.

call pickup group

Telecommunications; Switchboard

A group of phones able to answer each other's ringing phones when an access code is keyed in.

Handset:

Telecommunications; Switchboard

The component of a telephone set which the user holds in his hand in order to speak and listen. The user speaks into the “transmitter” element and listens through the “receiver” element.