58 relations: Alcatel-Lucent, Analogue electronics, AT&T Corporation, Bell System Practices, Bit, Business telephone system, Central processing unit, Circuit switching, Class-4 telephone switch, Class-5 telephone switch, Codec, Command-line interface, Common-network interface ring, Computer memory, Digital Audio Tape, Digital data, Digital Signal 0, Digital Signal 1, Digital Signal 3, Distributed computing, Distributed switching, DMS-100, Electronic switching system, Integrated Services Digital Network, Intel 8086, Limited availability, Line card, Magnetic tape data storage, Mainframe computer, Makefile, Microprocessor, Motorola 68000, Multi-Environment Real-Time, Multi-mode optical fiber, Nortel, Provisioning, PRX (telephony), Recent change memory administration center, SCSI, Seneca, Illinois, Service provider, Signaling (telecommunications), Storage Module Device, Subscriber loop carrier, Sun Microsystems, Switching Control Center System, Synchronous optical networking, System console, T-carrier, Telecommunication, ..., Telephone exchange, Telephone numbering plan, Teleprinter, Time-slot interchange, Western Electric, 1ESS switch, 3B series computers, 4ESS switch. Expand index (8 more) » « Shrink index
Alcatel-Lucent S.A. is a French global telecommunications equipment company, headquartered in Boulogne-Billancourt, France.
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Analogue electronics (or analog in American English) are electronic systems with a continuously variable signal, in contrast to digital electronics where signals usually take only two levels.
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AT&T Corp., originally the American Telephone and Telegraph Company, is the subsidiary of AT&T that provides voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.
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The Bell System Practices was a compilation of technical publications which described the best methods of engineering, constructing, installing, and maintaining the telephone plant of the Bell System under direction of AT&T and Bell Telephone Laboratories.
A bit is the basic unit of information in computing and digital communications.
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A business telephone system is a multiline telephone system typically used in business environments, encompassing systems ranging from small key telephone systems to large-scale private branch exchanges.
A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.
Circuit switching is a methodology of implementing a telecommunications network in which two network nodes establish a dedicated communications channel (circuit) through the network before the nodes may communicate.
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A class-4, or tandem, telephone switch is a U.S. telephone company central office telephone exchange used to interconnect local exchange carrier offices for long distance communications in the public switched telephone network.
A class-5 telephone switch is a telephone switch or telephone exchange in the public switched telephone network located at the local telephone company's central office, directly serving subscribers.
A codec is a device or computer program capable of encoding or decoding a digital data stream or signal.
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A command-line interface or command language interpreter (CLI), also known as command-line user interface, console user interface, and character user interface (CUI), is a means of interacting with a computer program where the user (or client) issues commands to the program in the form of successive lines of text (command lines).
The common-network interface ring (CNI ring) provides common-channel signaling (CCS) functionality on several Alcatel-Lucent SS7 products.
In computing, memory refers to the computer hardware devices used to store information for immediate use in a computer; it is synonymous with the term "primary storage".
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Digital Audio Tape (DAT or R-DAT) is a signal recording and playback medium developed by Sony and introduced in 1987.
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Digital data, in information theory and information systems, are discrete, discontinuous representations of information or works, as contrasted with continuous, or analog signals which behave in a continuous manner, or represent information using a continuous function.
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Digital Signal 0 (DS0) is a basic digital signaling rate of 64 kilobits per second (kbit/s), corresponding to the capacity of one analog voice-frequency-equivalent channel.
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Digital Signal 1 (DS1, sometimes DS-1) is a T-carrier signaling scheme devised by Bell Labs.
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A Digital Signal 3 (DS3) is a digital signal level 3 T-carrier.
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Distributed computing is a field of computer science that studies distributed systems.
Distributed switching is an architecture in which multiple processor-controlled switching units are distributed.
The DMS-100 Switch Digital Multiplex System (DMS) was a line of telephone exchange switches manufactured by Northern Telecom.
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In telecommunications, an electronic switching system (ESS) is a telephone switch that uses digital electronics and computerized control to interconnect telephone circuits for the purpose of establishing telephone calls.
Integrated Services for Digital Network (ISDN) is a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the traditional circuits of the public switched telephone network.
The 8086 ("eighty eighty-six", also called iAPX 86) (page 1-1) is a 16-bit microprocessor chip designed by Intel between early 1976 and mid-1978, when it was released.
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When customers of a public switched telephone network make telephone calls, they utilize a telecommunications network called a switched-circuit network.
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A line card or digital line card is a modular electronic circuit designed to fit on separate a printed circuit board (PCB) and interface with a telecommunications access network.
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Magnetic tape data storage is a system for storing digital information on magnetic tape using digital recording.
Mainframe computers (colloquially referred to as "big iron") are computers used primarily by large organizations for critical applications, bulk data processing such as census, industry and consumer statistics, enterprise resource planning and transaction processing.
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Makefile(s) are text files written in a certain prescribed syntax.
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A microprocessor is a computer processor that incorporates the functions of a computer's central processing unit (CPU) on a single integrated circuit (IC), or at most a few integrated circuits.
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The Motorola 68000 ("'sixty-eight-thousand'"; also called the m68k or Motorola 68k, "sixty-eight-kay") is a 16/32-bit CISC microprocessor core designed and marketed by Motorola Semiconductor Products Sector (now Freescale Semiconductor).
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Multi-Environment Real-Time (MERT) was a hybrid time-sharing/real-time operating system developed in the 1970s at Bell Labs for use in embedded minicomputers (in particular PDP-11s).
Multi-mode optical fiber is a type of optical fiber mostly used for communication over short distances, such as within a building or on a campus.
Nortel Networks Corporation, formerly known as Northern Telecom Limited, Northern Electric and sometimes known simply as Nortel, was a multinational telecommunications and data networking equipment manufacturer headquartered in Mississauga, Ontario, Canada.
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In telecommunication, provisioning involves the process of preparing and equipping a network to allow it to provide (new) services to its users.
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The PRX205 (PRX/A) is a processor controlled reed relay telephone exchange developed by Philips Telecommunicatie Industrie BV (PTI) in Hilversum during the late 1960s and early 1970s.
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RCMAC stands for recent change memory administration center, sometimes mistakenly called recent change message accounting center, in late 20th century Bell System parlance, or recent change memory administration group (RCMAG).
Small Computer System Interface (SCSI) is a set of standards for physically connecting and transferring data between computers and peripheral devices.
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Seneca is a village in LaSalle and Grundy counties in the U.S. state of Illinois.
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A service provider (SP) is a company that provides organizations with consulting, legal, real estate, education, communications, storage, processing, and many other services.
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In telecommunication, signaling (signalling in British English) has the following meanings.
Storage Module Device (SMD) was a family of storage devices (hard disk drives) first shipped by Control Data Corporation in December 1973 as the CDC 9760 40 MB (unformatted) storage module disk drive.
A subscriber loop carrier or subscriber line carrier (SLC) provides telephone exchange-like telephone interface functionality.
Sun Microsystems, Inc. was a company that sold:computers, computer components,:computer software, and:information technology services and that created the Java programming language, Solaris Unix and the Network File System (NFS).
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The Switching Control Center System was an Operations Support System developed by Bell Laboratories and deployed during the early 1970s.
Synchronous Optical Networking (SONET) and Synchronous Digital Hierarchy (SDH) are standardized protocols that transfer multiple digital bit streams synchronously over optical fiber using lasers or highly coherent light from light-emitting diodes (LEDs).
The system console, computer console, root console, operator's console, or simply console is the text entry and display device for system administration messages, particularly those from the BIOS or boot loader, the kernel, from the init system and from the system logger.
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The T-carrier is a member of the series of carrier systems developed by AT&T Bell Laboratories for digital transmission of multiplexed telephone calls.
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Telecommunication occurs when the exchange of information between two or more entities (communication) includes the use of technology.
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A telephone exchange is a telecommunications system used in the public switched telephone network or in large enterprises.
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A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints.
A teleprinter (teletypewriter, Teletype or TTY) is an electromechanical typewriter that can be used to send and receive typed messages from point to point and point to multipoint over various types of communications channels.
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A time-slot interchange (TSI) switch is a network switch that stores data in RAM in one sequence, and reads it out in a different sequence.
Western Electric Company (WE, WECo) was an American electrical engineering and manufacturing company, the supplier to AT&T from 1881 to 1996.
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The Number One Electronic Switching System (1ESS) was the first large-scale stored program control (SPC) telephone exchange or electronic switching system in the Bell System.
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The 3B series computers were a line of micro-programmable minicomputers produced by AT&T Computer Systems's Western Electric subsidiary.
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The 4ESS switch is a Class 4 telephone electronic switching system that was the first digital electronic toll switch introduced by Western Electric for long-distance switching.
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