Glossary:

ATIS Telecom Glossary

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dial switching equipment

Switching equipment actuated by electrical impulses generated by a dial or key pulsing arrangement. [47 CFR Pt.36-A]

dial through

A technique, applicable to access circuits, that permits an outgoing routine call to be dialed by the PBX user after the PBX attendant has established the initial connection.

dial tone

A tone employed in a dial telephone system to indicate to the calling party that the equipment is ready to receive dial or tone pulses.

dial-around

Pertaining to long-distance services that require consumers to dial a long-distance provider's access code (or a "10-10" number) before dialing a long-distance number to bypass (to "dial around") the consumer's chosen long-distance carrier, usually to get a better rate. [After FCC]

dial-pulse period

One complete cycle of a dial pulse, consisting of fall time, break interval, rise time, and make interval. [T1.409-1996]

dial-pulse signaling

A method of transmitting a telephone address over a direct-current path. The dc current is interrupted at the transmitting end in a defined pattern representing a particular digit in a telephone number. The number of interruptions in the dc current specifies the address digit. [After T1.409-1996]

dial-tone delay

The time between the instant of going off-hook and the instant of receiving a dial tone.

dial-up

1. A service feature in which a user initiates service on a previously arranged trunk or transfers, without human intervention, from an active trunk to a standby trunk.
2. A service feature that allows a computer terminal to use telephone systems to initiate and effect communications with other computers.

dialed digits

Untranslated address information collected/received from the originating line/trunk. [T1.667-1999]

dialing

In a communications system, using a device that generates signals for selecting and establishing connections.
Note: The term dialing is often used to designate or refer to all calling devices used for inserting data to establish connections. [From Weik '89]

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