Click on an index letter to navigate through our glossary terms:
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GIGABYTE
1024 MEGABYTEs (see also) or 1,073,741,824 BYTEs (see also). The common unit of measuriment for larger-sized MASS STORAGE (see also) media, such as hard drives. Although GIGA- usually means, 1 billion (see GIGAHERTZ), units of BYTEs are always a power of two, or divisible by 1024 -
GIGAHERTZ
GIGA is from the Greek word "gigas" meaning "great," and it stands for one billion. GIGAHERTZ, gigacycles, gigavolts all mean a billion of the suffix. -
GRADE OF SERVICE
The rating of a segment of a communications system (a trunk group, for example) that quantifies the probability that a call would receive a busy signal or be blocked, usually during the peak hour of the day. A grade of service of P.01 means that 1% of the calls would be blocked. -
GROUND START
A type of trunk that is activated by placing a ground on one of the wires which tells the central office to provide dial tone. Used primarily on PBX systems. -
GSM (GLOBAL SYSEM FOR MOBILE COMMUNICATIONS)
A standard for digital cellular phone systems that originated in Europe, GSM has become the most widely used mobile system around the world. GSM 6.10 : An audio compression CODEC (see also) based on a sampling rate of 8000 samples per second which is used in digital recording of speech to allow for efficient use of disk space. The codec originated with, and is used by, GSM mobile phone systems. HigherGround recommends GSM 6.10 for most of its voice recording applications.