IT glossary of terms, acronyms and abbreviations. Faulkner Information Services . 2015.
Identification friend or foe — An IFF Test Set used for testing transponders on aircraft … Wikipedia
Number Five Crossbar Switching System — The Number Five Crossbar Switching System or 5XB switch, designed by Bell Labs and made by Western Electric, was in use in Bell System telephone exchanges from 1948 to the 1980s. Its principal use was as a Class 5 telephone switch, though… … Wikipedia
Telephone number — A telephone number or phone number is a sequence of digits used to call from one telephone line to another in a public switched telephone network. When telephone numbers were invented, they were short as few as one, two or three digits and were… … Wikipedia
Toll-free telephone number — A toll free, Freecall, Freephone, or 800 number is a special telephone number, in that the called party is charged the cost of the calls by the telephone carrier, instead of the calling party. The cost of the call to the called party is usually… … Wikipedia
Station identification — (sometimes called a sounder or stinger ) is the practice of any type of radio or television station or network identifying itself, typically with a call sign or brand name. Over the air transmitters may be required to identify themselves… … Wikipedia
999 (emergency telephone number) — A sign on a beach in Whitstable, United Kingdom, advising readers to dial 999 in the event of an emergency 999 is an official emergency telephone number in a number of countries which allows the caller to contact emergency services for urgent… … Wikipedia
Employer Identification Number — Applicable to the United States, an Employer Identification Number or EIN (also known as Federal Employer Identification Number or (FEIN)) is the corporate equivalent to a Social Security Number, although it is issued to anyone, including… … Wikipedia
Automatic number plate recognition — The system must be able to deal with different styles of license plates … Wikipedia
Personal identification number — A personal identification number (PIN) is a secret numeric password shared between a user and a system that can be used to authenticate the user to the system. Typically, the user is required to provide a non confidential user identifier or token … Wikipedia
API well number — An API well number or API number is a unique, permanent, numeric identifier assigned to each well drilled for oil and gas in the United StatesAmerican Petroleum Institute, 1979, The API well number and standard state and county numeric codes… … Wikipedia
