dial switching

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• Dial tone — For the G.I. Joe character, see Dial Tone (G.I. Joe). A dial tone (known in the British Isles as a dialling tone)[1] is a telephony signal used to indicate that the telephone exchange is working, has recognized an off hook, and is ready to accept …   Wikipedia

• 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

• 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

• 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

• Number One Crossbar Switching System — The Number One Crossbar Switching System, or 1XB switch, was the primary urban local telephone exchange design used by the Bell System in the mid 20th century. Its switch fabric topology was based on the earlier urban panel switch system, which,… …   Wikipedia

• circuit switching —    A temporary communications connection established as required between the sending and receiving nodes. Circuit switching is often used in modem communications over dial up telephone lines. It is also used in some privately maintained… …   Dictionary of networking

• Remote Authentication Dial-In User Service — RADIUS (Akronym für Remote Authentication Dial In User Service, sinngemäß: Authentifizierungsdienst für sich einwählende Benutzer) ist ein Client Server Protokoll, das zur Authentifizierung, Autorisierung und zum Accounting (Triple A System) von… …   Deutsch 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 — 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 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