Glossary:

ATIS Telecom Glossary

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Select a term name to open its entry and any media references. Longer definitions end with a “Read More” link.

digest

1. In e-mail, a periodic mailing of a collection of messages compiled from a mailing list or interest group. [Bahorsky]
2. A command issued to a list server or to a list processor requesting that postings be delivered to a subscriber in summary form. [Bahorsky]

digit

A symbol, numeral, or graphic character that represents an integer.
Note 1: Examples of digits include any one of the decimal characters "0" through "9" and either of the binary characters "0" or "
1. "
Note 2: In a given numeration system, the number of allowable different digits, including zero, is always equal to the base (radix).

digit time slot

In a digital data stream, a time interval that is allocated to a single digit and that can be uniquely recognized and defined.

digital

Characterized by discrete states.

digital access and cross-connect system (DACS)

In communications systems, a digital system in which (a) access is performed by T-1 hardware architecture in private and public networks with centralized switching and (b) cross-connection is performed by D3/D4 framing for switching digital-signal-0 (DS-0) channels to other DS-0 channels.
Note: Modern digital access and cross-connect systems are not limited to the T-carrier system, and may accommodate high data… (Read More →)

digital access line

An access line composed of digital facilities, containing no analog sections, and having a digital interface at the local digital exchange office (DEO) and a digital interface at the end-user voice terminal, voiceband data terminal, PBX, or interconnecting network. [T1.508-1998]

digital alphabet

A coded character set in which the characters of an alphabet have a one-to-one relationship with their digitally coded representations.

digital cash (digicash)

A bank-issued number that can be used in place of cash for Internet transactions.
Note: The use of digital cash allows a vendor to check the validity of the transaction by contacting the issuing bank, but it does not allow additional information to be obtained about the buyer. [Bahorsky] Synonyms e-cash, electronic cash.

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