Glossary:

ATIS Telecom Glossary

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intercharacter interval

In asynchronous transmission, the time interval between the end of the stop signal of one character and the beginning of the start signal of the next character.
Note: The intercharacter interval may be of any duration. The signal sense of the intercharacter interval is always the same as the sense of the stop element, i.e., "1" or "mark. "

intercom

1. A telephone apparatus by means of which personnel can talk to each other within an aircraft, tank, ship, or activity. [JP 1-02]
2. A dedicated voice service within a specified user environment.

interconnect facility

In a communications network, one or more communications links that (a) are used to provide local area communications service among several locations and (b) collectively form a node in the network.
Note 1: An interconnect facility may include network control and administrative circuits as well as the primary traffic circuits.
Note 2: An interconnect facility may use any medium available… (Read More →)

Interconnected Voice over Internet Protocol (VoIP) Service Provider

An entity that provides interconnected VoIP service, as that term is defined in 47 U. S. C. § 153(25) (47 CFR §
5
2. 5 (b)). Interconnected VoIP providers are providers of a service that (1) enables real-time, two-way voice communications, (2) requires a broadband connection from the user’s location, (3) requires Internet protocol-compatible customer premises equipment, and (4) permits… (Read More →)

interconnection

1. The linking together of interoperable systems. [JP 1-02]
2. The linkage used to join two or more communications units, such as systems, networks, links, nodes, equipment, circuits, and devices.

interdigit interval

A multifrequency (MF) and dual tone multifrequency (DTMF) signal timing interval that is equal to the sum of the fall time, signal-off time, and rise time. The interdigit interval starts when the MF or DTMF signal duration ends. The interdigit interval ends when the next MF or DTMF signal duration begins. [T1.414-1998]

interdomain authority

an authority recognized by two or more Security Administrations as a trusted source of security information used between the respective Security Domains [ECMA138].

interest group

A gathering or category of network users who have a similar interest in a particular topic and who share their opinions with each other via email or an internet forum.

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