Proprietary Integrated Telephone System

См. также в других словарях:

• 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

• Integrated Services Digital Network — ISDN redirects here. For other uses, see ISDN (disambiguation). Integrated Services Digital Network (ISDN) is a set of communications standards for simultaneous digital transmission of voice, video, data, and other network services over the… …   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

• integrated circuit — Electronics. a circuit of transistors, resistors, and capacitors constructed on a single semiconductor wafer or chip, in which the components are interconnected to perform a given function. Abbr.: IC Also called microcircuit. [1955 60] * * * ▪… …   Universalium

• Cordless telephone — A cordless telephone with base. A cordless telephone or portable telephone is a telephone with a wireless handset that communicates via radio waves with a base station connected to a fixed telephone line, usually within a limited range of its… …   Wikipedia

• Automotive navigation system — A taxi equipped with GPS navigation device An automotive navigation system is a satellite navigation system designed for use in automobiles. It typically uses a GPS navigation device to acquire position data to locate the user on a road in the… …   Wikipedia

• Embedded system — Picture of the internals of an ADSL modem/router. A modern example of an embedded system. Labelled parts include a microprocessor (4), RAM (6), and flash memory (7). An embedded system is a computer system designed to do one or a few dedicated… …   Wikipedia

• Model 500 telephone — Western Electric model 500 set made in 1951 By 1975, the Model 500 layout …   Wikipedia

• Application-specific integrated circuit — An application specific integrated circuit (ASIC) is an integrated circuit (IC) customized for a particular use, rather than intended for general purpose use. For example, a chip designed solely to run a cell phone is an ASIC.In contrast, the… …   Wikipedia

• Operations support system — Operations support systems (also called operational support systems or OSS) are computer systems used by telecommunications service providers. The term OSS most frequently describes network systems dealing with the telecom network itself,… …   Wikipedia

• Digital Access Signalling System — For the Depression, Anxiety and Stress Scale (DASS), see DASS (psychology). For the Defensive Aid Sub System of an aircraft, see Defensive Aids System. The Digital Access Signalling System (DASS) is the United Kingdom proprietary standard created …   Wikipedia