IT glossary of terms, acronyms and abbreviations. Faulkner Information Services . 2015.
Trimline telephone — The Western Electric Trimline telephone is a variety of telephone set designed by Henry Dreyfuss Associates for the Bell System (AT T). It was built by the Bell System s manufacturing arm, Western Electric. The idea behind the Trimline telephone… … Wikipedia
Single-frequency signaling — (SF) is line signaling (in telephony) in which dial pulses or supervisory signals are conveyed by a single voice frequency tone in each direction. SF and similar systems were used in 20th century carrier systems.An SF signaling unit converts DC… … Wikipedia
Telephone switchboard — PBX switchboard, 1975 A switchboard (also called a manual exchange) was a device used to connect a group of telephones manually to one another or to an outside connection, within and between telephone exchanges or private branch exchanges (PBXs) … Wikipedia
9-1-1 — This article is about the emergency telephone number. For other uses, see 911 (disambiguation). See also: Emergency telephone number Emergency 911 displayed on the side of an emergency vehicle, indicating that 9 1 1 is the number to dial in the… … Wikipedia
Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… … Wikipedia
Voice over IP — Digital voice redirects here. For the commercial service, see Comcast Digital Voice. Voice over Internet Protocol (Voice over IP, VoIP) is a family of technologies, methodologies, communication protocols, and transmission techniques for the… … Wikipedia
Highgate Wood Telephone Exchange — Highgate Wood is a suburb in North London that was chosen as the site of a trial for an electronic telephone exchange built by members from Joint Electronic Research Council (JERC), which was formed in 1956 and consisted of the British Post… … Wikipedia
Saab 37 Viggen — infobox Aircraft name = AJ/JA 37 Viggen type = Attack, Fighter, Reconnaissance manufacturer =Saab caption = Swedish Air Force JA 37 designer = first flight = 8 February 1967 introduction = 21 June 1971 retired = 25 November 2005 status = Retired… … Wikipedia
Re — Re; re·able; re·absorb; re·absorption; re·accept; re·access; re·accession; re·acclimatization; re·acclimatize; re·accommodate; re·accommodation; re·accounting; re·accredit; re·accreditation; re·acetylation; re·acknowledge; re·acquaint;… … English syllables
