Glossary:

ATIS Telecom Glossary

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release prefix

[A] prefix appended to the short title of U. S. -produced keying material to indicate its foreign releasability. "A" designates material that is releasable to specific allied nations and "U. S. " designates material intended exclusively for U. S. use. [INFOSEC-99]

release time

1. The time interval between (a) the instant that an enabling signal (as in a vogad or echo suppressor) is discontinued, and (b) the instant at which suppression ceases.
2. The time interval between (a) the instant a relay coil is de-energized, and (b) the instant that contact closure ceases (or, depending on the nature of the relay, is established).

release timer

A timer that specifies the period of time the network will wait for a release from the user after informing the user of a failure condition such as busy. This timer is on the order of 30 seconds. [T1.620-1991]

reliability

1. The ability of an item to perform a required function under stated conditions for a specified period of time.
2. The probability that a functional unit will perform its required function for a specified interval under stated conditions.
3. The continuous availability of communication services to the general public, and emergency response activities in particular, during normal operating conditions… (Read More →)

reliability assessment

1. The process of determining whether existing hardware, firmware, or software has achieved a specified level of operational reliability.
2. The process of determining the achieved level of operational reliability of existing hardware, firmware, or software. Synonym reliability evaluation. [From Weik '89]

remanence

1. Residual information remaining on storage media after clearing. [INFOSEC-99]
2. The persistence of information on computing or communications media or equipment even following a purge [CESG].
Note: Normally used to refer to residual information which would only be accessible using specialist techniques. Example: magnetic remanence. See also: Object Reuse, Purge.

remote access

1. Pertaining to communication with a data processing facility from a remote location or facility through a data link.
2. A PABX service feature that allows a user at a remote location to access by telephone PABX features, such as access to wide area telephone service (WATS) lines.
Note: For remote access, individual authorization codes are usually required.

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