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dial-switching equipment

См. также в других словарях:

  • dial —    1. A device that transmits a coded signal to actuate the central office switching equipment according to the digit dialed. A dial can be either a rotary device that is wound up and released to transmit open pulses (DC space pulses) or a touch… …   IT glossary of terms, acronyms and abbreviations

  • dial tone —    (DT)    An audible signal sent from an automatic switching system to a subscriber or user to indicate that the equipment is ready to receive dial signals …   IT glossary of terms, acronyms and abbreviations

  • 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

  • Rotary dial — A German Fe TAp 615, (R g) a widespread rotary dial telephone of the 1960s to the 1980s The rotary dial is a device mounted on or in a telephone or switchboard that is designed to send electrical pulses, known as pulse dialing, corresponding to… …   Wikipedia

  • Wyandanch, New York — Infobox Settlement official name = Wyandanch, New York settlement type = CDP nickname = motto = imagesize = image caption = image pushpin pushpin label position =none pushpin map caption =Location within the state of New York pushpin mapsize =… …   Wikipedia

  • Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …   Wikipedia

  • 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

  • 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

  • North American Numbering Plan — NANPA redirects here. For other uses, see Nanpa (disambiguation). This article is about the numbering plan. For a list of area codes under the plan, see List of North American Numbering Plan area codes. The North American Numbering Plan (NANP) is …   Wikipedia

  • Director telephone system — The Director System was a system which made it possible to call subscribers at other telephone exchanges without operator intervention in large multi exchange cities, and to have a mixture of automatic and manual exchanges within these cities. It …   Wikipedia

  • Phreaking — is a slang term coined to describe the activity of a subculture of people who study, experiment with, or explore telecommunication systems, like equipment and systems connected to public telephone networks. The term phreak is a portmanteau of the …   Wikipedia

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