IT glossary of terms, acronyms and abbreviations. Faulkner Information Services . 2015.
Key telephone system — A key system or key telephone system is a multiline telephone system typically used in small office environments.Key systems are noted for their expandability and having individual line selection buttons for each connected phone line, however… … Wikipedia
Business telephone system — Early model 464G Western Electric key telephone set A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private … Wikipedia
Key system — can refer to the following:*Key telephone system communication *Key System Defunct transportation system in the San Francisco Bay Area *KeY System a software verification tool. *Cryptosystem using a Cryptographic key … Wikipedia
Telephone plug — A telephone plug is a plug which allows a telephone to connect to the local telephone network. It plugs into a socket or jack fixed to the wall or baseboard. The standard for telephone plugs varies from country to country though the RJ11 has… … Wikipedia
key service unit — (KSU) The main operating unit of a key telephone system … IT glossary of terms, acronyms and abbreviations
telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… … Universalium
Telephone — The telephone (from the el. τῆλε, tēle , far and φωνή, phōnē , voice ) is a telecommunications device that is used to transmit and receive sound (most commonly speech), usually two people conversing but occasionally three or more. It is one of… … Wikipedia
Telephone tapping — Wiretap redirects here. For the radio program, see WireTap (radio program). Telephone tapping (also wire tapping or wiretapping in American English) is the monitoring of telephone and Internet conversations by a third party, often by covert means … Wikipedia
1A2 Key System — The 1A2 Key System is an analog multiline business key telephone system. Unlike more modern multiline systems, every telephone line serving a particular phone is wired into that phone, and electromechanical switches (the keys ) switch the lines… … Wikipedia
Multi-Line Extension telephone — This article refers to a specific series of historic telephones. For multi line phone systems in general, see private branch exchange or key telephone system. A Multi Line Extension, or MLX telephone, is a no longer manufactured series of digital … Wikipedia
