leased phone lines
1Subsidiary Communications Authority — (SCA) is the United States Federal Communications Commission s (FCC) official designation for subcarrier channels transmitted by a broadcast FM radio station along with its main carrier. In Canada,the service is labeled by the Canadian Radio… …
2X.25 — This is a packet switching protocol developed by CCITT. It is used to carry large amounts of data at fast speeds over leased phone lines …
3Broadband Internet access — Broadband Internet access, often shortened to just broadband, is high speed Internet access typically contrasted with dial up access over a modem.Dial up modems are generally only capable of a maximum bitrate of 56 kbit/s (kilobits per second)… …
4Modem — For other uses, see Modem (disambiguation). A modem (modulator demodulator) is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The… …
5AT&T Corporation — For the 2005 parent company currently known as AT T and formerly Southwestern Bell/ SBC, see AT T. AT T Corp. Type Subsidiary Industry …
6American Telephone & Telegraph — For other companies with similar names, see AT T (disambiguation). Infobox Company company name = AT T Corporation company logo = type = Private (Subsidiary of AT T Inc.) foundation = 1885 location = Bedminster, New Jersey, United States industry …
7Western Electric — Infobox Defunct Company company name = Western Electric Co., Inc. company fate = Absorption successor = AT T Technologies foundation = 1872 defunct = 1995 location = New York, NY, USA industry = Telecommunications key people = products = Customer …
8Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
9Integrated 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… …
10Bell System — ] The Bell System was commonly referred to by the nickname Ma Bell. History Formation under Bell patentReceiving a U.S. patent for the invention of the telephone on March 7, 1876, Alexander Graham Bell formed the Bell Telephone Company in 1877… …
