line-switching communications system

См. также в других словарях:

• Communications in the People's Republic of China — Telecommunications in China redirects here. For the industry, see Telecommunications industry in China. This article is about Communications in the People s Republic of China, excluding Hong Kong and Macau (see Communications in Hong Kong and… …   Wikipedia

• System X (telephony) — System X was the name of the UK s first national digital telephone exchange system.HistorySystem X was developed by the UK Post Office (later to become British Telecom), GEC, Plessey, and Standard Telephones and Cables (STC), and first shown in… …   Wikipedia

• Communications satellite — A communications satellite (sometimes abbreviated to COMSAT) is an artificial satellite stationed in space for the purpose of telecommunications. Modern communications satellites use a variety of orbits including geostationary orbits, Molniya… …   Wikipedia

• Communications in Iran — Zohreh redirects here. For the city in Khuzestan, see Zahreh. Iran is among the first five countries which have had a growth rate of over 20% and the highest level of development in telecommunication.[1][2] Iran has been awarded the UNE …   Wikipedia

• Switching Control Center System — The Switching Control Center System was an Operations Support System developed by Bell Laboratories and deployed during the early 1970s. This computer system was first based on the PDP 11 product line from Digital Equipment Corporation and used… …   Wikipedia

• Communications in Iraq — This article describes the communication infrastructure of Iraq.Telephone systemThe 2003 Iraq war severely disrupted telecommunications throughout Iraq, including international connections. USAID is overseeing the repair of switching capability… …   Wikipedia

• Communications in Austria — This article concerns the systems of telecommunication in Austria. Austria has a highly developed and efficient telephone network, and has a number of radio and television broadcast stations. The country code for Austria is AT .Telephone and… …   Wikipedia

• Communications in Bulgaria — Telephones main lines in use:3.186 million (1999)Telephones mobile cellular:8,445,000 (March 2007) (110% penetration rate)Telephone system:more than two thirds of the lines are residential* Domestic: Extensive but antiquated transmission system… …   Wikipedia

• Power line communication — or power line carrier (PLC), also known as power line digital subscriber line (PDSL), mains communication, power line telecom (PLT), power line networking (PLN), or broadband over power lines (BPL) are systems for carrying data on a conductor… …   Wikipedia

• Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …   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