History of telecommunications
Advanced Mobile Phone System
Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard developed by Bell Labs, and officially introduced in the Americas in 1978, Israel in 1986, and Australia in 1987.
Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard developed by Bell Labs, and officially introduced in the Americas in 1978, Israel in 1986, and Australia in 1987.
Airtel (FBI)
Airtel is an outdated data communication process used internally within the FBI in addition to teletype and facsimile.
Airtel is an outdated data communication process used internally within the FBI in addition to teletype and facsimile.
Alaska Communications System (ACS)
The Alaska Communications System (ACS), also known as the Washington-Alaska Military Cable and Telegraph System (WAMCATS), was a system of cables and telegraph lines authorized by the U.S. Congr...
The Alaska Communications System (ACS), also known as the Washington-Alaska Military Cable and Telegraph System (WAMCATS), was a system of cables and telegraph lines authorized by the U.S. Congr...
Alexander Graham Bell
Alexander Graham Bell (March 3, 1847 – August 2, 1922) was an eminent scientist, inventor, engineer and innovator who is credited with inventing the first practical telephone.
Alexander Graham Bell (March 3, 1847 – August 2, 1922) was an eminent scientist, inventor, engineer and innovator who is credited with inventing the first practical telephone.
Alexander Graham Bell honors and tributes
Alexander Graham Bell honours and tributes include honours bestowed upon him and awards named for him.
Alexander Graham Bell honours and tributes include honours bestowed upon him and awards named for him.
Alfaskop
Alfaskop was a brand, developed in Sweden by Standard Radio & Telefon AB (SRT) and applied to data terminals and later IBM-compatible PCs. The term was also used to name Alfaskop AB, a listed S...
Alfaskop was a brand, developed in Sweden by Standard Radio & Telefon AB (SRT) and applied to data terminals and later IBM-compatible PCs. The term was also used to name Alfaskop AB, a listed S...
American Institute of Electrical Engineers
The American Institute of Electrical Engineers was a United States based organization of electrical engineers that existed between 1884 and 1963, when it merged with the Institute of Radio Engin...
The American Institute of Electrical Engineers was a United States based organization of electrical engineers that existed between 1884 and 1963, when it merged with the Institute of Radio Engin...
Applications Technology Satellite
The Applications Technology Satellites were a series of six experimental satellites launched by NASA. The program was launched in 1966 to test the feasibility of placing a satellite into the geo...
The Applications Technology Satellites were a series of six experimental satellites launched by NASA. The program was launched in 1966 to test the feasibility of placing a satellite into the geo...
AT&T Alascom
Alascom, Inc., d/b/a AT&T Alaska, is an Alaskan telecommunications company; specifically, an interexchange carrier.
Alascom, Inc., d/b/a AT&T Alaska, is an Alaskan telecommunications company; specifically, an interexchange carrier.
Atlantic Telegraph Company
The Atlantic Telegraph Company was a company formed in 1856 to undertake and exploit a commercial telegraph cable across the Atlantic ocean, the first such telecommunications link.
The Atlantic Telegraph Company was a company formed in 1856 to undertake and exploit a commercial telegraph cable across the Atlantic ocean, the first such telecommunications link.
Automatic Digital Network
The Automatic Digital Network (AUTODIN) (ADNS) is a legacy data communications service in the United States Department of Defense.
The Automatic Digital Network (AUTODIN) (ADNS) is a legacy data communications service in the United States Department of Defense.
Avaya
Avaya Inc. is a privately held computer networking, information technology and telecommunications company that is a global provider of business communications systems.
Avaya Inc. is a privately held computer networking, information technology and telecommunications company that is a global provider of business communications systems.
Bell 101
The Bell 101 dataset or Bell 101 modem was the first commercial modem for computers, released by AT&T in 1958 for use by SAGE and in 1959 made commercial shortly after AT&T's Bell Labs ann...
The Bell 101 dataset or Bell 101 modem was the first commercial modem for computers, released by AT&T in 1958 for use by SAGE and in 1959 made commercial shortly after AT&T's Bell Labs ann...
Bell 103 modem
The Bell 103 modem or Bell 103 dataset was the second commercial modem for computers, released by AT&T in 1962.
The Bell 103 modem or Bell 103 dataset was the second commercial modem for computers, released by AT&T in 1962.
Bell Laboratories Building (Manhattan)
463 West Street is a 13 building complex located on the block between West Street, Washington Street, Bank Street, and Bethune Street in Manhattan, New York.
463 West Street is a 13 building complex located on the block between West Street, Washington Street, Bank Street, and Bethune Street in Manhattan, New York.
Bell Labs
Bell Laboratories is the research and development subsidiary of the French-owned Alcatel-Lucent and previously of the American Telephone & Telegraph Company, half-owned through its Western Elect...
Bell Laboratories is the research and development subsidiary of the French-owned Alcatel-Lucent and previously of the American Telephone & Telegraph Company, half-owned through its Western Elect...
Bell System
The Bell System was the American Bell Telephone Company and then, subsequently, AT&T–led system which provided telephone services to much of the United States and Canada from 1877 to 1984, at va...
The Bell System was the American Bell Telephone Company and then, subsequently, AT&T–led system which provided telephone services to much of the United States and Canada from 1877 to 1984, at va...
Bell System divestiture
The Bell System divestiture, or the breakup of AT&T, was initiated by the filing in 1974 by the U.S. Department of Justice of an antitrust lawsuit against AT&T. The case, United States v...
The Bell System divestiture, or the breakup of AT&T, was initiated by the filing in 1974 by the U.S. Department of Justice of an antitrust lawsuit against AT&T. The case, United States v...
Birmingham Director Area
Birmingham Director Area opened in 1931 with Birchfield, Harborne, Northern and Victoria Exchanges.
Birmingham Director Area opened in 1931 with Birchfield, Harborne, Northern and Victoria Exchanges.
BITNET
BITNET was a cooperative USA university network founded in 1981 by Ira Fuchs at the City University of New York (CUNY) and Greydon Freeman at Yale University.
BITNET was a cooperative USA university network founded in 1981 by Ira Fuchs at the City University of New York (CUNY) and Greydon Freeman at Yale University.
BLACKER
BLACKER is a U.S. Department of Defense computer network security project designed to achieve A1 class ratings of the Trusted Computer System Evaluation Criteria (TCSEC).
BLACKER is a U.S. Department of Defense computer network security project designed to achieve A1 class ratings of the Trusted Computer System Evaluation Criteria (TCSEC).
Bob Kahn
Robert Elliot Kahn (born December 23, 1938) is a Jewish American Internet pioneer, engineer and computer scientist, who, along with Vinton G. Cerf, invented the Transmission Control Protocol (TC...
Robert Elliot Kahn (born December 23, 1938) is a Jewish American Internet pioneer, engineer and computer scientist, who, along with Vinton G. Cerf, invented the Transmission Control Protocol (TC...
BT Archives
BT Archives is an archive preserving the documentary heritage of BT and its public sector predecessors.
BT Archives is an archive preserving the documentary heritage of BT and its public sector predecessors.
BT Museum
The BT Museum was a telecommunications museum run by BT, that held artifacts and exhibits on the history of telecommunications in the United Kingdom.
The BT Museum was a telecommunications museum run by BT, that held artifacts and exhibits on the history of telecommunications in the United Kingdom.
Bullroarer (music)
The bullroarer, rhombus, or turndun, is an ancient ritual musical instrument and a device historically used for communicating over greatly extended distances.
The bullroarer, rhombus, or turndun, is an ancient ritual musical instrument and a device historically used for communicating over greatly extended distances.
C&P Telephone
The Chesapeake and Potomac Telephone Company, usually known as C&P Telephone, was a d/b/a name for four Bell Operating Companies providing service to Washington, D.C., Maryland, West Virgi...
The Chesapeake and Potomac Telephone Company, usually known as C&P Telephone, was a d/b/a name for four Bell Operating Companies providing service to Washington, D.C., Maryland, West Virgi...
Canadian Parliamentary Motion on Alexander Graham Bell
The first session of Canada's 37th Parliament unanimously passed a Canadian Parliamentary Motion on Alexander Graham Bell on June 21, 2002, to affirm that Alexander Graham Bell was the inventor ...
The first session of Canada's 37th Parliament unanimously passed a Canadian Parliamentary Motion on Alexander Graham Bell on June 21, 2002, to affirm that Alexander Graham Bell was the inventor ...
Carbon microphone
The carbon microphone, also known as a carbon button microphone or a carbon transmitter, is a sound-to-electrical signal transducer consisting of two metal plates separated by granul...
The carbon microphone, also known as a carbon button microphone or a carbon transmitter, is a sound-to-electrical signal transducer consisting of two metal plates separated by granul...
Carrier pigeon
A carrier pigeon or messenger pigeon is a homing pigeon that is used to carry messages.
A carrier pigeon or messenger pigeon is a homing pigeon that is used to carry messages.
CBS Laboratories
CBS Laboratories or CBS Labs (later known as the CBS Technology Center) was the technology research and development organization of CBS. Innovations developed at the labs included ma...
CBS Laboratories or CBS Labs (later known as the CBS Technology Center) was the technology research and development organization of CBS. Innovations developed at the labs included ma...
Charles Tilston Bright
Sir Charles Tilston Bright (8 June 1832 – 3 May 1888) was a British electrical engineer who oversaw the laying of the first transatlantic telegraph cable in 1858, for which work he was kni...
Sir Charles Tilston Bright (8 June 1832 – 3 May 1888) was a British electrical engineer who oversaw the laying of the first transatlantic telegraph cable in 1858, for which work he was kni...
Communications Act of 1934
The Communications Act of 1934,, is a United States federal law enacted as Public Law Number 416, Act of June 19, 1934, ch.
The Communications Act of 1934,, is a United States federal law enacted as Public Law Number 416, Act of June 19, 1934, ch.
Communications Opportunity, Promotion and Enhancement Bill of 2006
The Communications Opportunity, Promotion and Enhancement (COPE) Act of 2006 was a bill in the US House of Representatives.
The Communications Opportunity, Promotion and Enhancement (COPE) Act of 2006 was a bill in the US House of Representatives.
Communications satellite
A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications.
A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications.
Community Broadband Bill of 2007
The Community Broadband Act of 2007 is a bill awaiting action before the U.S. Senate, 110th Congress.
The Community Broadband Act of 2007 is a bill awaiting action before the U.S. Senate, 110th Congress.
Computer Networks: The Heralds of Resource Sharing
Computer Networks: The Heralds of Resource Sharing is a documentary film from 1972, produced by Steven King and directed/edited by Peter Chvany, about ARPANET. It features many of the most i...
Computer Networks: The Heralds of Resource Sharing is a documentary film from 1972, produced by Steven King and directed/edited by Peter Chvany, about ARPANET. It features many of the most i...
Corporation for Research and Educational Networking
The Corporation for Research and Educational Networking better known as CREN was a non-profit corporation originally composed of the higher education and research organizations participati...
The Corporation for Research and Educational Networking better known as CREN was a non-profit corporation originally composed of the higher education and research organizations participati...
CQD
CQD, transmitted in Morse code as — · — · — — · — — · · is one of the first distress signa...
CQD, transmitted in Morse code as — · — · — — · — — · · is one of the first distress signa...
CSNET
The Computer Science Network was a computer network that began operation in 1981 in the United States.
The Computer Science Network was a computer network that began operation in 1981 in the United States.
David Edward Hughes
David Edward Hughes (16 May 1831 – 22 January 1900), was a British scientist and musician.
David Edward Hughes (16 May 1831 – 22 January 1900), was a British scientist and musician.
Defense Data Network
The Defense Data Network (DDN) was a separate instantiation of the ARPANET used by the United States Department of Defense from 1983-1995 for its Internet services.
The Defense Data Network (DDN) was a separate instantiation of the ARPANET used by the United States Department of Defense from 1983-1995 for its Internet services.
Defense Message System
The Defense Message System or Defense Messaging System (DMS) is a deployment of secure electronic mail and directory services in the United States Department of Defense.
The Defense Message System or Defense Messaging System (DMS) is a deployment of secure electronic mail and directory services in the United States Department of Defense.
Dialcom
Dialcom Inc. was a US corporation which developed the world's first commercial electronic mail service.
Dialcom Inc. was a US corporation which developed the world's first commercial electronic mail service.
Digital speakers
Digital speakers are a form of loudspeaker technology.
Digital speakers are a form of loudspeaker technology.
Director telephone system
The Director System was a system which made it possible to call subscribers at other telephone exchanges without operator intervention in large multi-exchange cities, and to have a mixture of au...
The Director System was a system which made it possible to call subscribers at other telephone exchanges without operator intervention in large multi-exchange cities, and to have a mixture of au...
Dow Jones News/Retrieval
Dow Jones News/Retrieval was an online service offered by Dow Jones & Company beginning in 1973, which greatly expanded its subscriber numbers during the 1980s.
Dow Jones News/Retrieval was an online service offered by Dow Jones & Company beginning in 1973, which greatly expanded its subscriber numbers during the 1980s.
Drum (communication)
Developed from hollow tree trunks, and used by cultures living in deforested areas, drums served as an early form of long distance communication, and were used during ceremonial and religious fu...
Developed from hollow tree trunks, and used by cultures living in deforested areas, drums served as an early form of long distance communication, and were used during ceremonial and religious fu...
Electrodynamic loudspeaker
An electrodynamic loudspeaker is a dynamic loudspeaker in which the field is produced by an electromagnet rather than by a permanent magnet.
An electrodynamic loudspeaker is a dynamic loudspeaker in which the field is produced by an electromagnet rather than by a permanent magnet.
Elisha Gray
Elisha Gray was an American electrical engineer who co-founded the Western Electric Manufacturing Company.
Elisha Gray was an American electrical engineer who co-founded the Western Electric Manufacturing Company.
European Academic Research Network
EARN (European Academic Research Network) was a computer network which interconnected academic computing centres and provided a gateway between Europe and the USA. It was...
EARN (European Academic Research Network) was a computer network which interconnected academic computing centres and provided a gateway between Europe and the USA. It was...
Federal Radio Commission
The Federal Radio Commission (FRC) was a government body that regulated radio use in the United States from its creation in 1926 until its replacement by the Federal Communications Commiss...
The Federal Radio Commission (FRC) was a government body that regulated radio use in the United States from its creation in 1926 until its replacement by the Federal Communications Commiss...
Federal Telegraph Company
The Federal Telegraph Company was a United States communications company that played a pivotal role in the 20th century in the development of radio communications.
The Federal Telegraph Company was a United States communications company that played a pivotal role in the 20th century in the development of radio communications.
Fernand Holweck
Fernand Holweck (1890, Paris - 1941, Paris) was a French physicist who made important contributions in the fields of vacuum technology, electromagnetic radiation and gravitation.
Fernand Holweck (1890, Paris - 1941, Paris) was a French physicist who made important contributions in the fields of vacuum technology, electromagnetic radiation and gravitation.
First Transcontinental Telegraph
The First Transcontinental Telegraph was a milestone in the formation of the United States of America.
The First Transcontinental Telegraph was a milestone in the formation of the United States of America.
Flag signals
Flag signals can mean any of various methods of using flags or pennants to send signals.
Flag signals can mean any of various methods of using flags or pennants to send signals.
Free-space optical communication
Free-space optical communication is an optical communication technology that uses light propagating in free space to transmit data for telecommunications or computer networking.
Free-space optical communication is an optical communication technology that uses light propagating in free space to transmit data for telecommunications or computer networking.
Frontier West Virginia
Frontier West Virginia, Inc., founded in 1917 as The Chesapeake and Potomac Telephone Company of West Virginia, provides local telephone service to former Verizon customers in West Virginia.
Frontier West Virginia, Inc., founded in 1917 as The Chesapeake and Potomac Telephone Company of West Virginia, provides local telephone service to former Verizon customers in West Virginia.
Fuzzball router
Fuzzball routers were the first modern routers on the Internet.
Fuzzball routers were the first modern routers on the Internet.
Goonhilly Satellite Earth Station
Goonhilly Satellite Earth Station is a large telecommunications site located on Goonhilly Downs near Helston on the Lizard peninsula in Cornwall, UK. Owned by BT Group plc, it was at one time th...
Goonhilly Satellite Earth Station is a large telecommunications site located on Goonhilly Downs near Helston on the Lizard peninsula in Cornwall, UK. Owned by BT Group plc, it was at one time th...
Guglielmo Marconi
Guglielmo Marconi was an Italian inventor, known as the father of long distance radio transmission and for his development of Marconi's law and a radio telegraph system.
Guglielmo Marconi was an Italian inventor, known as the father of long distance radio transmission and for his development of Marconi's law and a radio telegraph system.
Heinrich Hertz
Heinrich Rudolf Hertz was a German physicist who clarified and expanded James Clerk Maxwell's electromagnetic theory of light, which was first demonstrated by David Edward Hughes using non-rigor...
Heinrich Rudolf Hertz was a German physicist who clarified and expanded James Clerk Maxwell's electromagnetic theory of light, which was first demonstrated by David Edward Hughes using non-rigor...
Heliograph
A heliograph is a wireless solar telegraph that signals by flashes of sunlight reflected by a mirror.
A heliograph is a wireless solar telegraph that signals by flashes of sunlight reflected by a mirror.
History of mobile phones
The history of mobile phones charts the John Shane development of devices which connect wirelessly to the public switched telephone network.
The history of mobile phones charts the John Shane development of devices which connect wirelessly to the public switched telephone network.
History of telecommunication
The history of telecommunication began with the use of smoke signals and drums in Africa, the Americas and parts of Asia.
The history of telecommunication began with the use of smoke signals and drums in Africa, the Americas and parts of Asia.
History of the Internet
The history of the Internet began with the development of computers in the 1950s.
The history of the Internet began with the development of computers in the 1950s.
History of the prepaid mobile phone
The history of the prepaid mobile phone begins in the 1990s when larger markets were being sought after by the mobile phone operators.
The history of the prepaid mobile phone begins in the 1990s when larger markets were being sought after by the mobile phone operators.
Homing pigeon
The homing pigeon is a variety of domestic pigeon derived from the Rock Pigeon selectively bred to find its way home over extremely long distances.
The homing pigeon is a variety of domestic pigeon derived from the Rock Pigeon selectively bred to find its way home over extremely long distances.
Hooper's Telegraph Works
The Hooper's Telegraph Works Ltd was established by William Hooper in 1870 to manufacture and lay submarine communications cable.
The Hooper's Telegraph Works Ltd was established by William Hooper in 1870 to manufacture and lay submarine communications cable.
Houston Cellular
Houston Cellular was a Houston-based cell phone company which provided AMPS and D-AMPS service in the Greater Houston area.
Houston Cellular was a Houston-based cell phone company which provided AMPS and D-AMPS service in the Greater Houston area.
HT (vacuum tube)
In vacuum tube technology, HT or high tension describes the main power supply to the circuit, which produces the current between anode and cathode.
In vacuum tube technology, HT or high tension describes the main power supply to the circuit, which produces the current between anode and cathode.
Imperial Wireless Chain
The Imperial Wireless Chain, also known as the Empire Wireless Chain, was a strategic international wireless telegraphy communications network, created to link the countries of the British...
The Imperial Wireless Chain, also known as the Empire Wireless Chain, was a strategic international wireless telegraphy communications network, created to link the countries of the British...
Independent telephone company
An Independent telephone company in the United States was a telephone company providing local service which was not part of the Bell System group of companies, "Ma Bell", before the 1984 Bell Sy...
An Independent telephone company in the United States was a telephone company providing local service which was not part of the Bell System group of companies, "Ma Bell", before the 1984 Bell Sy...
Instructograph
The Instructograph was a paper tape-based machine used for the study of Morse code.
The Instructograph was a paper tape-based machine used for the study of Morse code.
Internet Freedom and Nondiscrimination Act of 2006
The “Internet Freedom and Nondiscrimination Act of 2006” is a bill in the United States House of Representatives.
The “Internet Freedom and Nondiscrimination Act of 2006” is a bill in the United States House of Representatives.
Invention of the telephone
The invention of the telephone is the culmination of work done by many individuals, the history of which involves a collection of claims and counterclaims.
The invention of the telephone is the culmination of work done by many individuals, the history of which involves a collection of claims and counterclaims.
IPSANET
IPSANET was a packet switching network written by I. P. Sharp Associates.
IPSANET was a packet switching network written by I. P. Sharp Associates.
ITT Corporation
ITT Corporation is a global diversified manufacturing company based in the United States.
ITT Corporation is a global diversified manufacturing company based in the United States.
JUNET
Japan University NETwork (JUNET) was a computer network established by three universities, Tokyo University, Tokyo Institute of Technology and Keio University in October 1984 for test and ...
Japan University NETwork (JUNET) was a computer network established by three universities, Tokyo University, Tokyo Institute of Technology and Keio University in October 1984 for test and ...
Keyboard send receive
Keyboard send receive is part of a designation for a series of hard-copy computer terminals, manufactured by Teletype Corporation.
Keyboard send receive is part of a designation for a series of hard-copy computer terminals, manufactured by Teletype Corporation.
Law Telegraph Company
The Law Telegraph Company was a company engaged in facilitating communications between lawyers in New York City.
The Law Telegraph Company was a company engaged in facilitating communications between lawyers in New York City.
Madley Communications Centre
Madley Communications Centre is British Telecom's earth satellite tracking station, between Madley and Kingstone, Herefordshire, England.
Madley Communications Centre is British Telecom's earth satellite tracking station, between Madley and Kingstone, Herefordshire, England.
Mailgram
A mailgram is a type of telegraphic message which is transmitted electronically from the sender to a post office and then printed and delivered to the recipient via postal means.
A mailgram is a type of telegraphic message which is transmitted electronically from the sender to a post office and then printed and delivered to the recipient via postal means.
Manchester Director Area
The Manchester Director Area Director Areas were a means of grouping a number of Telephone Exchanges together so that subscribers on the Exchanges could dial direct to other subscribers within t...
The Manchester Director Area Director Areas were a means of grouping a number of Telephone Exchanges together so that subscribers on the Exchanges could dial direct to other subscribers within t...
MILNET
In computer networking, MILNET (Military Network) was the name given to the part of the ARPANET internetwork designated for unclassified United States Department of Defense traffic.
In computer networking, MILNET (Military Network) was the name given to the part of the ARPANET internetwork designated for unclassified United States Department of Defense traffic.
Morse code
Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment.
Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment.
Museum of Science and Industry (Manchester)
The Museum of Science and Industry (MOSI) in Manchester, England, is a large museum devoted to the development of science, technology, and industry and particularly the city's contribution...
The Museum of Science and Industry (MOSI) in Manchester, England, is a large museum devoted to the development of science, technology, and industry and particularly the city's contribution...
Music radio
Music radio is a radio format in which music is the main broadcast content.
Music radio is a radio format in which music is the main broadcast content.
National Science Foundation Network
The National Science Foundation Network was a program of coordinated, evolving projects sponsored by the National Science Foundation beginning in 1985 to promote advanced research and education ...
The National Science Foundation Network was a program of coordinated, evolving projects sponsored by the National Science Foundation beginning in 1985 to promote advanced research and education ...
National Telephone Company
The National Telephone Company (NTC) was a British telephone company from 1881 until 1911 which brought together smaller local companies in the early years of the telephone.
The National Telephone Company (NTC) was a British telephone company from 1881 until 1911 which brought together smaller local companies in the early years of the telephone.
Network Equipment-Building System
NEBS (Network Equipment-Building System) describes the environment of a typical United States RBOC Central Office.
NEBS (Network Equipment-Building System) describes the environment of a typical United States RBOC Central Office.
Nevil Maskelyne (magician)
Nevil Maskelyne was a British magician and inventor.
Nevil Maskelyne was a British magician and inventor.
Nortel
Nortel Networks Corporation, formerly known as Northern Telecom Limited and sometimes known simply as Nortel, was a multinational telecommunications equipment manufacturer headquarte...
Nortel Networks Corporation, formerly known as Northern Telecom Limited and sometimes known simply as Nortel, was a multinational telecommunications equipment manufacturer headquarte...
North Atlantic Radio System
The North Atlantic Radio System (NARS) was a chain of five tropospheric scatter communication sites that stretched from Iceland to RAF Fylingdales, forming an extension of the Distant Early Warn...
The North Atlantic Radio System (NARS) was a chain of five tropospheric scatter communication sites that stretched from Iceland to RAF Fylingdales, forming an extension of the Distant Early Warn...
Octel Communications Corp.
Octel Communications Corp. is a large manufacturer and provider of voice-mail products and services.
Octel Communications Corp. is a large manufacturer and provider of voice-mail products and services.
Operation Ivy Bells
Operation Ivy Bells was a joint United States Navy, CIA and National Security Agency mission whose objective was to place wire taps on Soviet underwater communication lines during the Cold War.
Operation Ivy Bells was a joint United States Navy, CIA and National Security Agency mission whose objective was to place wire taps on Soviet underwater communication lines during the Cold War.
Pacific Telegraph Act of 1860
The Pacific Telegraph Act of 1860 called for the facilitation of communication between the east and west coasts of the United States of America.
The Pacific Telegraph Act of 1860 called for the facilitation of communication between the east and west coasts of the United States of America.
Pacific Telegraph Company
In 1861, Benjamin Franklin Ficklin joined Hiram Sibley in helping to form the Pacific Telegraph Company of Nebraska.
In 1861, Benjamin Franklin Ficklin joined Hiram Sibley in helping to form the Pacific Telegraph Company of Nebraska.
Photophone
The photophone (also known as a radiophone) is a telecommunications device which allowed for the transmission of both articulated sounds and normal human conversations on a beam of light.
The photophone (also known as a radiophone) is a telecommunications device which allowed for the transmission of both articulated sounds and normal human conversations on a beam of light.
Plan 55-A
Plan 55-A was a store and forward message switching system developed by Western Union and used from 1948 to 1976.
Plan 55-A was a store and forward message switching system developed by Western Union and used from 1948 to 1976.
Poldhu
Poldhu is a small area in south Cornwall, England, UK, situated on the Lizard Peninsula; it comprises Poldhu Point and Poldhu Cove.
Poldhu is a small area in south Cornwall, England, UK, situated on the Lizard Peninsula; it comprises Poldhu Point and Poldhu Cove.
Polybius square
In cryptography, the Polybius square, also known as the Polybius checkerboard, is a device invented by the Ancient Greek historian and scholar Polybius, described in Hist.
In cryptography, the Polybius square, also known as the Polybius checkerboard, is a device invented by the Ancient Greek historian and scholar Polybius, described in Hist.
Post Office Telecommunications
Post Office Telecommunications was set up as a separate department of the UK Post Office, in October 1969.
Post Office Telecommunications was set up as a separate department of the UK Post Office, in October 1969.
Prussian semaphore system
The Prussian Semaphore System was a telegraphic communications system used between Berlin and the Rhine Province from 1832 to 1849.
The Prussian Semaphore System was a telegraphic communications system used between Berlin and the Rhine Province from 1832 to 1849.
Reading Works
The Reading Works in Berks County, Pennsylvania was a manufacturer of integrated circuit and optoelectronic equipment for communication and computing.
The Reading Works in Berks County, Pennsylvania was a manufacturer of integrated circuit and optoelectronic equipment for communication and computing.
Russian-American Telegraph
The Russian American Telegraph, also known as the Western Union Telegraph Expedition and the Collins Overland Telegraph, was a $3,000,000 undertaking by the Western Union Telegraph C...
The Russian American Telegraph, also known as the Western Union Telegraph Expedition and the Collins Overland Telegraph, was a $3,000,000 undertaking by the Western Union Telegraph C...
Russian–American Telegraph
The Russian American Telegraph, also known as the Western Union Telegraph Expedition and the Collins Overland Telegraph, was a $3,000,000 undertaking by the Western Union Telegraph C...
The Russian American Telegraph, also known as the Western Union Telegraph Expedition and the Collins Overland Telegraph, was a $3,000,000 undertaking by the Western Union Telegraph C...
RY (test signal)
RYRYRYRY... is a character string that was widely used to test a five-level teleprinter or RTTY channel.
RYRYRYRY... is a character string that was widely used to test a five-level teleprinter or RTTY channel.
Réseaux Associés pour la Recherche Européenne
Réseaux Associés pour la Recherche Européenne (or RARE) was a research organization founded in Amsterdam on 13 June 1986 by several European networking organisations to promote open comput...
Réseaux Associés pour la Recherche Européenne (or RARE) was a research organization founded in Amsterdam on 13 June 1986 by several European networking organisations to promote open comput...
Samuel Morse
Samuel Finley Breese Morse was an American contributor to the invention of a single-wire telegraph system based on European telegraphs, co-inventor of the Morse code, and an accomplished painter.
Samuel Finley Breese Morse was an American contributor to the invention of a single-wire telegraph system based on European telegraphs, co-inventor of the Morse code, and an accomplished painter.
Semaphore line
A semaphore telegraph, optical telegraph, shutter telegraph chain, Chappe telegraph, or Napoleonic semaphore is a system of conveying information by means of visual sig...
A semaphore telegraph, optical telegraph, shutter telegraph chain, Chappe telegraph, or Napoleonic semaphore is a system of conveying information by means of visual sig...
Signal Hill, St. John's
Signal Hill is a hill which overlooks the city of St. John's, Newfoundland and Labrador, Canada.
Signal Hill is a hill which overlooks the city of St. John's, Newfoundland and Labrador, Canada.
SIGSALY
In cryptography, SIGSALY was a secure speech system used in World War II for the highest-level Allied communications.
In cryptography, SIGSALY was a secure speech system used in World War II for the highest-level Allied communications.
SP-1 switch
SP-1 (Stored Program 1) was the name of a computerized telephone exchange (a so-called switching office) manufactured by Northern Electric (later Northern Telecom and now Nortel Networks beginni...
SP-1 (Stored Program 1) was the name of a computerized telephone exchange (a so-called switching office) manufactured by Northern Electric (later Northern Telecom and now Nortel Networks beginni...
Standard Telecommunication Laboratories
Standard Telecommunication Laboratories was the UK Research Laboratories for the Standard Telephones and Cables Company.
Standard Telecommunication Laboratories was the UK Research Laboratories for the Standard Telephones and Cables Company.
Stromberg-Carlson
Stromberg-Carlson was a telecommunications equipment and electronics manufacturing company formed in 1894 as a partnership of Alfred Stromberg and Androv Carlson.
Stromberg-Carlson was a telecommunications equipment and electronics manufacturing company formed in 1894 as a partnership of Alfred Stromberg and Androv Carlson.
Submarine communications cable
A submarine communications cable is a cable laid on the sea bed between land-based stations to carry telecommunication signals across stretches of ocean.
A submarine communications cable is a cable laid on the sea bed between land-based stations to carry telecommunication signals across stretches of ocean.
Syncom
Syncom started as a 1961 NASA program for active geosynchronous communication satellites, all of which were developed and manufactured by Hughes Space and Communications.
Syncom started as a 1961 NASA program for active geosynchronous communication satellites, all of which were developed and manufactured by Hughes Space and Communications.
Syphon recorder
The syphon or siphon recorder is an item of telecommunications equipment invented by William Thomson, 1st Baron Kelvin in 1858.
The syphon or siphon recorder is an item of telecommunications equipment invented by William Thomson, 1st Baron Kelvin in 1858.
Technological convergence
Technological convergence is the tendency for different technological systems to evolve toward performing similar tasks.
Technological convergence is the tendency for different technological systems to evolve toward performing similar tasks.
Telecommunications Act of 1996
The Telecommunications Act of 1996 was the first major overhaul of United States telecommunications law in more than sixty years, amending the Communications Act of 1934.
The Telecommunications Act of 1996 was the first major overhaul of United States telecommunications law in more than sixty years, amending the Communications Act of 1934.
Telecommunications Bill of 2005
The Telecommunications Act of 2005 (tentatively named) is a proposed United States telecommunications law that makes regulatory changes to broadband Internet providers, Voice over IP providers, ...
The Telecommunications Act of 2005 (tentatively named) is a proposed United States telecommunications law that makes regulatory changes to broadband Internet providers, Voice over IP providers, ...
Telecommunications Society of Australia
The Telecommunication Society of Australia (TSA) has served the Australian telecommunications industry as its learned society since its initial formation as the Telegraph Electrical Society in 1...
The Telecommunication Society of Australia (TSA) has served the Australian telecommunications industry as its learned society since its initial formation as the Telegraph Electrical Society in 1...
Telecoms crash
The 2001 Telecoms crash is often confused with the Dot Com crash which happened at around the same time.
The 2001 Telecoms crash is often confused with the Dot Com crash which happened at around the same time.
Telegraph Act 1868
The Telegraph Act 1868 (31 & 32 Vict.
The Telegraph Act 1868 (31 & 32 Vict.
Telegraph Act 1885
The Telegraph Act 1885 (48 & 49 Vict.
The Telegraph Act 1885 (48 & 49 Vict.
Telegraphy
Telegraph (from Greek: tele τηλε "far", and graphein γραφειν "writing") is the long-distance transmission of messages without the physical exchange of an object bearing the message.
Telegraph (from Greek: tele τηλε "far", and graphein γραφειν "writing") is the long-distance transmission of messages without the physical exchange of an object bearing the message.
Telenet
Telenet was a commercial packet switched network which went into service in 1974.
Telenet was a commercial packet switched network which went into service in 1974.
Telephone switchboard
A switchboard (also called a manual exchange) was a device used to connect a group of telephones manually to one another or to an outside connection, within and between telephone exchanges...
A switchboard (also called a manual exchange) was a device used to connect a group of telephones manually to one another or to an outside connection, within and between telephone exchanges...
Telephone Transfer Act 1911
The Telephone Transfer Act 1911 was a United Kingdom statute, which nationalised the telephone companies.
The Telephone Transfer Act 1911 was a United Kingdom statute, which nationalised the telephone companies.
Telephony
In telecommunications, telephony encompasses the general use of equipment to provide communication over distances, specifically by connecting telephones to each other.
In telecommunications, telephony encompasses the general use of equipment to provide communication over distances, specifically by connecting telephones to each other.
Teleprinter
A teleprinter is an electromechanical typewriter that can be used to communicate typed messages from point to point and point to multipoint over a variety of communication channels that range...
A teleprinter is an electromechanical typewriter that can be used to communicate typed messages from point to point and point to multipoint over a variety of communication channels that range...
Ticker tape
Ticker tape was the earliest digital electronic communications medium, transmitting stock price information over telegraph lines, in use between around 1870 through 1970.
Ticker tape was the earliest digital electronic communications medium, transmitting stock price information over telegraph lines, in use between around 1870 through 1970.
Top cap
In vacuum tube trechnology, a top cap is a terminal at the top of the tube envelope that connects one of the electrodes, the other electrodes being connected via the tube socket.
In vacuum tube trechnology, a top cap is a terminal at the top of the tube envelope that connects one of the electrodes, the other electrodes being connected via the tube socket.
Total Access Communication System
Total Access Communication System (TACS) and ETACS are mostly-obsolete variants of AMPS which were used in some European countries (including the UK & Ireland in 1983).
Total Access Communication System (TACS) and ETACS are mostly-obsolete variants of AMPS which were used in some European countries (including the UK & Ireland in 1983).
Trans Canada Microwave
Trans Canada Microwave or Trans-Canada Skyway was a microwave system built in the 1950s to carry telephone and TV from Canada's east coast to its west coast.
Trans Canada Microwave or Trans-Canada Skyway was a microwave system built in the 1950s to carry telephone and TV from Canada's east coast to its west coast.
TRICKLE
TRICKLE was a file-forwarding service on the BITNET (EARN/NetNorth/GulfNet) network which allowed a user to request a file from an FTP server on the Internet via a gateway server which was conne...
TRICKLE was a file-forwarding service on the BITNET (EARN/NetNorth/GulfNet) network which allowed a user to request a file from an FTP server on the Internet via a gateway server which was conne...
Tymnet
Tymnet was an international data communications network headquartered in San Jose, California that used virtual call packet switched technology and X.25, SNA/SDLC, ASCII and BSC interfaces to co...
Tymnet was an international data communications network headquartered in San Jose, California that used virtual call packet switched technology and X.25, SNA/SDLC, ASCII and BSC interfaces to co...
Unified S-Band
The Unified S-band (USB) system was a tracking and communication system developed for the Apollo program by NASA and the Jet Propulsion Laboratory (JPL).
The Unified S-band (USB) system was a tracking and communication system developed for the Apollo program by NASA and the Jet Propulsion Laboratory (JPL).
United States HRes. 269 on Antonio Meucci
On June 11, 2001 the United States Congress passed a resolution HRes 269, which recognized the contributions of Antonio Meucci.
On June 11, 2001 the United States Congress passed a resolution HRes 269, which recognized the contributions of Antonio Meucci.
Victorian Internet
The Victorian Internet is a term coined in the late 20th century to describe advanced 19th century telecommunications technologies such as the telegraph and pneumatic tubes.
The Victorian Internet is a term coined in the late 20th century to describe advanced 19th century telecommunications technologies such as the telegraph and pneumatic tubes.
Volta Laboratory and Bureau
The Volta Laboratory, also variously known as the "Alexander Graham Bell Laboratory", the "Bell Carriage House" and the "Bell Laboratory", plus the Volta Bureau, were created in Georgetown...
The Volta Laboratory, also variously known as the "Alexander Graham Bell Laboratory", the "Bell Carriage House" and the "Bell Laboratory", plus the Volta Bureau, were created in Georgetown...
Western Electric
Western Electric Company was an American electrical engineering company, the manufacturing arm of AT&T from 1881 to 1995.
Western Electric Company was an American electrical engineering company, the manufacturing arm of AT&T from 1881 to 1995.
Western Union
The Western Union Company is a financial services and communications company based in the United States.
The Western Union Company is a financial services and communications company based in the United States.
White Alice Communications System
The White Alice Communications System was a United States Air Force telecommunication link system constructed in Alaska during the cold war.
The White Alice Communications System was a United States Air Force telecommunication link system constructed in Alaska during the cold war.
Zapmail
Zapmail was a service, launched in 1984 by Federal Express (FedEx) whereby fax transmission was offered to customers as a means to expedite delivery of documents.
Zapmail was a service, launched in 1984 by Federal Express (FedEx) whereby fax transmission was offered to customers as a means to expedite delivery of documents.
Édouard Branly
Édouard Eugène Désiré Branly was a French inventor, physicist and professor at the Institut Catholique de Paris.
Édouard Eugène Désiré Branly was a French inventor, physicist and professor at the Institut Catholique de Paris.
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