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switchboard line

См. также в других словарях:

  • switchboard — switch board n. 1. an elctrical apparatus consisting predominantly of a panel on which are switches or other means of completing electrical circuits; used especially for the devices used in telephone exchanges. See sense 2. [PJC] 2. (Telephone)… …   The Collaborative International Dictionary of English

  • switchboard — noun (C) a central system used to connect telephone calls in an office building, hotel etc, or the people who operate the system: Hello switchboard? Can I have an outside line? | switchboard operators | jam the switchboard (=make too many calls… …   Longman dictionary of contemporary English

  • 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

  • National Runaway Switchboard — The National Runaway Switchboard Type 24 hour federally designated national communications system Founded 1971 Location Chicago Key people Maureen Blaha, Executive Director Area served United States and territories, including Puerto Rico, the U.S …   Wikipedia

  • London Lesbian and Gay Switchboard — The London Lesbian and Gay Switchboard is the oldest gay and lesbian telephone help line in the UK, based in London.LLGS was founded in March 1974, providing help and information to London s gay community. Since then it has expanded considerably …   Wikipedia

  • chat-line — chatˈ line or chatˈline noun A telephone service in which callers contact each other through a monitored central switchboard, to engage in informal conversation (also adjective) • • • Main Entry: ↑chat …   Useful english dictionary

  • 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 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

  • 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

  • Private branch exchange — A private branch exchange (PBX) is a telephone exchange that serves a particular business or office, as opposed to one that a common carrier or telephone company operates for many businesses or for the general public. PBXs are also referred to as …   Wikipedia

  • Ship gun fire-control system — Mk 37 Director c1944 with Mk 12 (rectangular antenna) and Mk 22 orange peel Ship gun fire control systems (GFCS) enable remote and automatic targeting of guns against ships, aircraft, and shore targets, with or without the aid of radar or optical …   Wikipedia

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