Glossary:

ATIS Telecom Glossary

Search Keyword By: G

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global area network (GAN)

A network that (a) is composed of different interconnected computer networks and (b) covers an unlimited geographical area.
Note: Loosely synonymous with an internet (as opposed to the Internet (with an uppercase "I"), which designates one specific network). [After 2382-pt.35]

global functional plane (GFP)

The plane in the intelligent network conceptual model that defines service independent building blocks (SIBs) used in providing service features. [T1.667-1999]

Global Positioning System (GPS)

A satellite-based global navigation system that consists of (a) a constellation of satellites in orbit 11,000 nmi above the Earth, (b) several on-station (i.e., in-orbit) spares, and (c) a ground-based control segment. The satellites transmit signals that are used for extremely accurate three-dimensional (latitude, longitude, and elevation) global navigation (position determination), and for the dissemination of precise time. GPS-derived position… (Read More →)

global security environment

A security domain in a System Security policy. The GSE is the general security environment in which the system is located. It covers everything outside the control of the System or Project Manager which may have a bearing on the security of the system and which is therefore deemed to be the responsibility of the DSO [CESG]. See also: Electronic… (Read More →)

global status

1. The set of attributes of an entity, described at a particular time, when that set is extended to every occurrence of that entity within a prescribed boundary.
2. The complete set of attributes necessary to describe an entity at a particular time.

global system for mobile communications (GSM)

A public, all-digital cellular network that is standardized worldwide and that uses (a) TDMA techniques for multiplexing at approximately 900 MHz, (b) compressed voice at about 13 kb/s, (c) 16 kb/s circuit-switching technology, and (d) error-correcting algorithms.

global title (GT)

A "logical" or "virtual" address used for routing Signaling System No.7 (SS7) messages using signaling connection control part (SCCP) capabilities. To complete message routing, a GT must be translated to a SS7 point code and subsystem number. [T1.711-1999]

glyph

Any graphic symbol not in the ASCII character set. [After IS 14651]

GMSC

Gateway Mobile Switching Center

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