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Telephone switch that interconnects telephone circuits
In telecommunications, an electronic switching system (ESS) is a telephone switch that uses solid-state electronics, such as digital electronics and computerized
Electronic_switching_system
Telephone switching system
No. 4 Electronic Switching System (4ESS) is a class 4 telephone electronic switching system that was the first digital electronic toll switch introduced
No. 4 Electronic Switching System
No._4_Electronic_Switching_System
Telephone electronic switching system
The 5ESS Switching System is a Class 5 telephone electronic switching system developed by Western Electric for the American Telephone and Telegraph Company
5ESS_Switching_System
Defunct telecommunications node in the United States; part of the Bell System
One Electronic Switching System (1ESS) was the first large-scale stored program control (SPC) telephone exchange or electronic switching system in the
Number One Electronic Switching System
Number_One_Electronic_Switching_System
Active electronic circuit controlling the current through a load
change switching state quickly, such as the Schottky diode and the 1N4148, are called "switching diodes". The transistor can be operated as a switch. The
Electronic_switch
Signalling specification for telephony
installation of the first electronic switching system, a Western Electric 1ESS at Succasunna, NJ in 1965. All subsequent switching systems, such the 2/2B ESS
Precise_tone_plan
a class-5 switch. E10S satellite switching unit. E10-MSC mobile switching center for GSM and other protocols. 1000 (MM) E10 - Evolved switch for multimedia
List_of_telephone_switches
box - a device that was used to bypass the normal long-distance call switching tones typically used to obtain free calls. Call originator - (or calling
List_of_telephony_terminology
Telecommunication system for establishing telephone calls
retrofitted to nearly all step-by-step and crossbar switches in the Bell System. Electronic switching systems gradually evolved in stages from electromechanical
Telephone_exchange
Technology for telephone exchanges
production electronic switching systems in the 1960s. The 101ESS private branch exchange (PBX) was a transitional switching system in the Bell System to provide
Stored_program_control
Topics referred to by the same term
of sailing regattas Eye Safety Systems, one of major manufacturer of tactical eye protection Electronic switching system, an automated telephone exchange
ESS
Type of computer
"An Experimental Electronic Switching System" (PDF). Bell Laboratories Record. 36 (10): 359–363. Retrieved 13 October 2022. "Electronic Central Office"
Stored-program_computer
switching systems such as the Number 1 Crossbar, Number 5 Crossbar, and step-by-step circuit switching systems and replace them with newer electronic
Switching Control Center System
Switching_Control_Center_System
two experimental switching systems: first the Electronically Controlled Automatic Switching System (ECASS), an experimental system using cold cathode
Henry_Earle_Vaughan
Device for hacking telephone networks
long-distance calls made, kept by both mechanical switching systems and newer electronic switching systems, including calls to toll-free telephone numbers
Blue_box
Keypad that appears on some telephones
use in Custom Calling Services (CLASS) features installed in electronic switching systems. The layout of the digit keys is different from that commonly
Telephone_keypad
Telephony technology for screen-based devices
soon after the introduction of CLASS-based services through electronic switching system (ESS)), was marketed by the RBOCs who implemented it, as a way
Analog display services interface
Analog_display_services_interface
and switch baseband audio signals in the phone company telephone exchange before the advent of digital modulation and the electronic switching system eliminated
Four-wire_circuit
Programmable machine that processes data
algebra to the analysis and synthesis of switching circuits being the basic concept which underlies all electronic digital computers. By 1938, the United
Computer
Telephone system typically used in business environments
As automated electromechanical switches and later electronic switching systems gradually replaced the manual systems, the terms private automatic branch
Business_telephone_system
The AXE telephone exchange is a product line of electronic switching systems for digital circuit switching telephone exchanges developed by the Swedish telecom
AXE_telephone_exchange
Electromechanical telephone switch
switch in the United States, and the Rotary system outside the US, and by the late 1930s by the crossbar switch, and the electronic switching systems
Strowger_switch
City in Illinois, United States
world's first electronic switching system was installed at the Morris central office. The system was a milestone in telephone switching history, an experiment
Morris,_Illinois
Method of changing gears on a bicycle
An electronic gear-shifting system is a method of changing gears on a bicycle, which enables riders to shift with electronic switches instead of using
Electronic gear-shifting system
Electronic_gear-shifting_system
Telephone exchange equipment
In data communications, an automatic switching system is a switching system in which all the operations required to execute the three phases of information-transfer
Automatic_switching_system
Location identification system in North American telecommunications
combinations of switching equipment such as MG (crossbar exchange - marker group), SG (step-by-step exchange - step group), CG (electronic switching system - control
Common Language Location Identification
Common_Language_Location_Identification
replaced with electronic switching systems. Variants were used as combined Class 4 and Class 5 systems in rural areas, and as a TWX switch. 5XB was originally
Number Five Crossbar Switching System
Number_Five_Crossbar_Switching_System
South Korean scientist (1931–2014)
Telecommunications Research Institute develop the Electronic Switching System (TDX), the world's tenth such system, which propelled Korea to join the digital
Choi_Soon-dal
Technical documentation series
The Bell System Practices (BSPs) is a compilation of technical publications which describes the best methods of engineering, constructing, installing,
Bell_System_Practices
Mathematical study of switched networks
switching Message switching Packet switching Fast packet switching Network switching subsystem 5ESS Switching System Number One Electronic Switching System
Switching_circuit_theory
AT&T/Bell family of computers
and 3B4000. The series is notable for controlling a series of electronic switching systems for telecommunications, for general computing purposes, and for
3B_series_computers
Subfield of electronics engineering
telecommunications equipment and facilities, such as complex electronic switching systems, and other plain old telephone service facilities, optical fiber
Telecommunications engineering
Telecommunications_engineering
Electrically operated switch
Number One Electronic Switching System (1ESS) crossbar switch and certain other high-reliability designs, the reed switches are always switched "dry" (without
Relay
German telephone exchange system
Digital (EWSD), translated to Electronic Digital Switching System in English, is a widely installed German telephone exchange system, originally introduced in
EWSD
Place in Morris County, New Jersey, United States
was the site of the world's first electronic switching public telephone exchange. The Western Electric model 1ESS system was cut over for service on the
Succasunna,_New_Jersey
Telephone function
dial historically dates at least as far back as the Number One Electronic Switching System (1ESS) in 1965. Other early "instant dialers" dating back to
Speed_dial
Branch of physics and electrical engineering
electronics industry also encompasses other branches that rely on electronic devices and systems, such as e-commerce,[citation needed] which generated over $29
Electronics
American electrical engineering and manufacturing company
several generations of cross-bar switches, and finally the development of several generations of electronic switching systems (ESS). The No. 1 ESS was first
Western_Electric
Collection of electronic switches arranged in a matrix
switching system is also called a coordinate switching system. Collections of crossbars can be used to implement multiple layer and blocking switches
Crossbar_switch
Telephone which has buttons or keys for dialing
supported only pulse dialing to a newer crossbar, or later an electronic switching system, requiring the assignment of a new telephone number which was
Push-button_telephone
small Class 5 crossbar switch for local use in rural areas. In the late 1970s, Western Electric's number 3 Electronic Switching System (ESS) was installed
Community_dial_office
Electrical component that can break an electrical circuit
they can handle, finite switching time, etc. The ideal switch is often used in circuit analysis as it greatly simplifies the system of equations to be solved
Switch
American information technology company
HP Enterprise Services LLC (formerly Electronic Data Systems Corporation, then Electronic Data Systems LLC) was an American multinational information
Electronic_Data_Systems
Interconnection of two or more electrical switches
In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load from more than one location
Multiway_switching
Type of electronic circuit
electrical noise. Switching converters produce switching noise at the switching frequency and its harmonics. Additionally, all electronic circuits have some
DC-to-DC_converter
Field of telecommunication services
and automation. Following the development of computer-based electronic switching systems incorporating metal–oxide–semiconductor (MOS) and pulse-code
Telephony
Hybrid video game console
developing the Switch. Early sales of the Wii U were weak compared to the Wii, prompting major third-party publishers like Electronic Arts and Ubisoft
Nintendo_Switch
Telecoms research institute in Italy
time-division processing computer for telephone call switching. It was the second electronic switching system in Europe, following Britain's 1968 Empress, but
CSELT
Hybrid video game console
the Switch 2-focused Nintendo Direct in April 2025, multiple publishers pledged support for the console, including Square Enix, Capcom, Electronic Arts
Nintendo_Switch_2
Interbank network system
Malaysian Electronic Payment System (MEPS) is an interbank network service provider in Malaysia. In August 2017, MEPS merged with Malaysian Electronic Clearing
Malaysian Electronic Payment System
Malaysian_Electronic_Payment_System
Display system in an aircraft's cockpit which displays flight information electronically
an electronic flight instrument system (EFIS) is a flight instrument display system in an aircraft cockpit that displays flight data electronically rather
Electronic flight instrument system
Electronic_flight_instrument_system
Electronic device to avoid phone charges
computers running bulletin board systems that were popular back in the 1980s and early 90s. Electronic switching systems rendered black boxes obsolete,
Black_box_(phreaking)
Power supply with switching regulator
switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently
Switched-mode_power_supply
Electronic telephone switch
functions. List of telephone switches "Overview & Background on Modern Electronic & Telephone Digital Switching Systems". Telephone World. 2009-04-03
Digital_Multiplex_System
Discrete device in an electronic system
An electronic component is any basic discrete electronic device or physical entity part of an electronic system used to affect electrons or their associated
Electronic_component
the day of his state funeral. 31 May 1965: The world's first electronic switching system commences commercial service in Succasunna, New Jersey, in form
Timeline_of_the_telephone
Japanese technology corporation
digital electronic switching systems and LSIs in China. In 1993 NEC's asynchronous transfer mode (ATM) switching system, the NEAX61 (Nippon Electronic Automatic
NEC
Type of telephonic conversation
loop-around numbers; or by upgrading the central office equipment to electronic switching systems (ESS). These measures were expensive to implement at the time
Beep_line
Switched network of teleprinters
1969, AT&T installed the first electronic switching system (ESS) for TWX service. It was a version of the No. 1ESS switch, arranged for data features (1ESS-AFD)
Telex
Research and scientific development company
transistor–transistor logic (TTL), stored program-controlled switching systems; 1A/#4 TOLL Electronic Switching Systems (ESS) and 2A Local Central Offices produced at
Bell_Labs
Device that connects computer front-end hardware to multiple computers
connected/targeted system. Emulated USB provides an instantaneous and reliable switching action that makes keyboard hotkeys and mouse switching possible. However
KVM_switch
Telecommunications switch by Northern Electric
first fully digital switching system, and it was introduced in service in 1975.) DMS-100 Electronic Switching System 1ESS switch TXE Stored Program Control
SP-1_switch
originally for the Nintendo Switch, see the list of Nintendo Switch games. For games from older systems playable via a Nintendo Switch Online subscription, see
List of Nintendo Switch 2 games
List_of_Nintendo_Switch_2_games
Optical digital memory device
digital memory used in early stored program control components of electronic switching systems. The flying-spot store used a photographic plate as the store
Flying-spot_store
American software engineer, author (born 1940)
participated in ESS-1 project to develop the first large scale Electronic Switching System, which became installed in telephone offices all over the world
Tom_DeMarco
Signaling method for telephony
disfavor in the public switched telephone network (PSTN) as electronic switching systems displaced electro-mechanical switching systems, but legacy offices
Multi-frequency_signaling
Music genre that uses electronic instruments
Electronic music broadly is a group of music genres that employ electronic musical instruments, circuitry-based music technology and software, or general-purpose
Electronic_music
Electromechanical device
is an electronic switch that is used to interrupt one signal under the control of another. In power electronics applications, since the switching element
Chopper_(electronics)
Museum in Washington, US
on Mercer Island 1976 3ESS electronic switching system from Crosby, WA A No. 3 Crossbar from Nevada A Nortel DMS-10 switch donated by ADTRAN in Huntsville
Connections_Museum_Seattle
It was established in 1983 for manufacturing Nation’s first Electronic Switching System (E-10B) in collaboration with M/S CIT-Alcatel. Mankapur started
ITI_Township_Mankapur
Method of direct marketing
advertising. After the shift from public switched telephone network to computer-based electronic switching system, the job of switchboard operators gradually
Telemarketing
Technology of power electronics
high-power electronic devices were made using mercury-arc valves. In modern systems, the conversion is performed with semiconductor switching devices such
Power_electronics
Electrical switch operated by an applied magnetic field
(October 1964). "Actual Problems Of Telephone Switching - Quasi-Electronic Solutions For Switching Systems" (PDF). The Telecommunication Journal of Australia
Reed_switch
American computer scientist in Japan (1934–2026)
career at Bell Laboratories, where he helped design the first electronic switching system (ESS-1) and the SNOBOL programming languages. He subsequently
David_J._Farber
Telecommunication service
quickened in the early 1960s. Electronic switching systems allowed electronic processing of the dialed digits, referring to electronic memories to determine call
Direct_distance_dialing
Digital representation of sampled analog signals
very-large-scale integration (VLSI) CMOS PCM codec-filters, widely used in electronic switching systems for telephone exchanges, user-end modems and a wide range of
Pulse-code_modulation
target destination, based on a single destination address. In electronic switching systems for circuit-based telephone calls, the destination stations are
Destination_routing
1999 video game
production into a sequel to the 1994 game System Shock. The alterations were made when Electronic Arts—who owned the System Shock franchise rights—signed on as
System_Shock_2
Class 5 telephone switch
Electric Laboratories. This digital central office telephone circuit switching system is used in the former GTE service areas and by many smaller telecommunications
GTD-5_EAX
Proposals to provide for more telephone numbers in US and Canada
codes and the phase-out of electromechanical switching systems with programmable electronic switching systems (ESS). The NANP telephone number pool is expanded
North American Numbering Plan expansion
North_American_Numbering_Plan_expansion
The Common Electronic Fund Transfer Switch (CEFTS) is a fully automated paperless fund transfer system which allows instantaneous fund transfers between
Common Electronic Fund Transfer Switch
Common_Electronic_Fund_Transfer_Switch
Telecommunications device
development of stored program control and MOS integrated circuits for electronic switching systems, and new transmission technologies such as pulse-code modulation
Telephone
Four-terminal thyristor semiconductor device
silicon-controlled switches included: Pulse generators Timing circuits Oscillators Digital counters Alarm circuits Trigger circuits Electronic switching systems As integrated
Silicon-controlled_switch
Novel type of computer memory
oxide presents an interesting case of resistance switching. Two distinct modes of intrinsic switching have been reported - surface-based, in which conductive
Resistive random-access memory
Resistive_random-access_memory
Automatic circuit protection device
carbide transistors or integrated gate-commutated thyristors (IGCTs) for switching. A magnetic circuit breaker uses a solenoid (electromagnet) whose pulling
Circuit_breaker
Electronic circuits that utilize digital signals
density. Its rapid on–off electronic switching speed also makes it ideal for generating pulse trains, the basis for electronic digital signals, in contrast
Digital_electronics
Audio amplifier based on switching
or switching amplifier, is an electronic amplifier in which the amplifying devices (transistors, usually MOSFETs) operate as electronic switches, and
Class-D_amplifier
Digital filters became commonplace in electronic switching systems of the 1980s. For example, in 5ESS switch such jobs are done by DSPs in the Global
Multi-frequency_receiver
Type of signaling in telephony
telecommunication circuit for telephony to convey to an operator, user, or a switching system, information about the operational state of the circuit. The typical
Supervision_(telephony)
Functional parameter of electronic systems
In electronics, switching frequency refers to the rate at which an electronic switch performs its function. Switching frequency is an important design
Switching_frequency
American video game company
Electronic Arts Inc. (EA) is an American video game company headquartered in Redwood City, California. Founded in May 1982 by former Apple employee Trip
Electronic_Arts
Key telephone system
A KSU-less telephone system is a type of electronic key telephone system that puts the switching circuitry inside of each individual phone. This eliminates
KSU-less_system
Electronic circuit element implementing a filter
A switched capacitor (SC) is an electronic circuit that implements a function by moving charges into and out of capacitors when electronic switches are
Switched_capacitor
oscillator – Electronic power supply – Electronic switching system – Electronic tagging – Electronic test equipment – Electronic warfare support measures – Electronics
Index_of_electronics_articles
Estonian-American acoustical engineer
From 1960 to 1964 he was employed at Bell Labs, working on an electronic switching system, as well as on Telstar, the communication satellite credited
Leon_Sibul
Technology that records, stores, and reproduces sound
large-scale integration) CMOS PCM codec-filters, widely used in electronic switching systems for telephone exchanges, user-end modems and a range of digital
Digital_audio
Telephone company in the mid-Atlantic US
damaged Number One Crossbar Switching System (1XB switch) was cleaned, and a Number One Electronic Switching System (1ESS switch) that had been destined for
Verizon_New_York
Telephone dialing procedure
method of relief became available from the proliferation of electronic switching systems that were based on stored program control (SPC), which reduced
Ten-digit_dialing
Pioneering telex exchanges
a Telex switching system with 750 lines in Hong Kong. It was based on a technical description created by Hasler in 1966 entitled Electronic Telex Exchange
T200 telex and data switching system
T200_telex_and_data_switching_system
Device that switches or amplifies optical signals
unlike electronic transistors which suffer from Single-event upset. The most commonly argued case for optical logic is that optical transistor switching times
Optical_transistor
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