analog phone line

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• Digital subscriber line — DSL redirects here. For other uses, see DSL (disambiguation). DSL technologies Standard ADSL ANSI T1.413 Issue 2 ITU G.992.1 (G.DMT) ITU G.992.2 (G.Lite) ADSL2 ITU G.992.3 ITU G.992.4 ITU G.992.3 Annex J ITU G.992.3 Annex L ADSL2+ …   Wikipedia

• Multi-Line Extension telephone — This article refers to a specific series of historic telephones. For multi line phone systems in general, see private branch exchange or key telephone system. A Multi Line Extension, or MLX telephone, is a no longer manufactured series of digital …   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

• Advanced Mobile Phone System — Motorola DynaTAC 8000X AMPS mobile phone Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard developed by Bell Labs, and officially introduced in the Americas in 1983,[1] …   Wikipedia

• Motorola Bag Phone — The Motorola Bag Phone was a transportable cellular telephone manufactured by Motorola, inc. from 1992 to 2000. Contents 1 Description 2 End of Service Life and Legacy 3 Styles and model list …   Wikipedia

• Telephone line — For the Electric Light Orchestra song, see Telephone Line (Electric Light Orchestra song). Phone pole with phone and mainly electric lines …   Wikipedia

• Freelancin' Roundtable — Roundtable (RT) was a modem based text chat system located in the Clear Lake City, Texas area near Houston for 3 years in the mid 1980’s frequented by local Bulletin Board System (BBS) users. The first 8 phone lines were installed in October,… …   Wikipedia

• Electronic data capture — An Electronic Data Capture (EDC) system is a computerized system designedfor the collection of clinical data in electronic format for use mainly in human clinical trials.Typically, EDC systems provide: * a graphical user interface component for… …   Wikipedia

• Modem — 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… …   Wikipedia

• Voice over Internet Protocol — (VoIP, IPAEng|vɔɪp) is a protocol optimized for the transmission of voice through the Internet or other packet switched networks. VoIP is often used abstractly to refer to the actual transmission of voice (rather than the protocol implementing… …   Wikipedia

• Voice over IP — Digital voice redirects here. For the commercial service, see Comcast Digital Voice. Voice over Internet Protocol (Voice over IP, VoIP) is a family of technologies, methodologies, communication protocols, and transmission techniques for the… …   Wikipedia