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The Invention of the Telephone and Its Impact on Communication
Who invented the telephone? Bell, Gray, Meucci and Reis all played a part, and credit is still debated. See what is documented and how the telephone changed life.
Communication and Computing
Telephone and Telegraph
Wires, switchboards and voices over distance.
How the Telegraph Revolutionized Long-Distance Communication
Before the telegraph, news moved no faster than a horse, ship or signal tower. See how near-instant messages changed newspapers, business and the railways.
How the Telegraph Transformed Global Communication (1830s)
From short experimental lines in the 1830s to undersea cables in the 1850s and 1860s, see how the telegraph grew from a laboratory idea into a global network.
The Development of the Telephone Switchboard: A Conversation Game-Changer
How operators connected calls by hand in manual exchanges, why the system worked for decades, and how automatic switching eventually replaced most of it.
The Development of the Telephone: A Conversation Starter
How did speech first travel along a wire? A plain look at telephone transmitters, receivers and microphones, from Bell's 1876 liquid design to carbon granules.
The Forgotten History of the First Fax Machine
The fax is older than the telephone. Learn about Alexander Bain's 1843 patent, Bakewell's image telegraph and Caselli's pantelegraph, long before the office fax.
The Forgotten History of the First Telephone Switchboard
The first telephone exchanges of 1877 and 1878, including George Coy's New Haven board, were small improvised experiments that gave the network its basic shape.
The History of the Fax Machine: A Brief History
A short overview of fax transmission, from nineteenth-century picture telegraphs and wirephotos to office machines, the Group 3 standard and the decline of fax.
The History of the Telephone Answering Machine: From Mechanical to Digital
From Poulsen's magnetic wire recorder to cassette machines in the home and network voicemail, see how message recording on the telephone changed over a century.
The History of the Telephone Exchange: From Manual to Electronic
The telephone exchange as a building and network hub, from small rooms above shops in 1878 to large central offices and compact electronic switching centers.
The History of the Telephone Operator: From Manual to Electronic
The people who connected calls: from teenage boys in 1878 to women operators, their training, hours and strikes, and how dial service changed the job.
The History of the Telephone Switch: From Manual to Electronic
How telephone switching machines work in plain terms: step-by-step, panel and crossbar systems, then electronic and digital switches controlled by computers.
The History of the Telephone Switchboard
A close look at the plug and cord switchboard: jacks, plugs, cord pairs, signal lamps and the steps an operator used to connect a call by hand.
The History of the Telephone Switchboard: A Behind-the-Scenes Look
Step inside a busy central office of the early twentieth century: the room layout, supervisors, routines and teamwork that stood behind every connected call.
The History of the Telephone Switchboard: From Manual to Electronic
How hand-operated boards gave way to dial telephones and automatic equipment, why the change took decades, and how cutover day worked for operators and customers.
The History of the Telephone: A Conversation Starter
How did people react when they first heard a voice on a wire? A look at the 1870s telephone demonstrations, the first audiences and how users learned to talk.
The History of the Telephone: A Timeline of Its Development
A dated outline of the telephone from the 1870s experiments through exchanges, long-distance lines, automatic dialing, satellites, digital networks and mobile phones.
The History of the Telephone: From Alexander Graham Bell to Modern Marvels
Bell or Gray? A careful look at the credit question, the February 1876 filings, the patent lawsuits and what historians can and cannot say with confidence.
The History of the Telephone: From Alexander Graham Bell to Modern Smartphones
Follow the fixed wired telephone through cordless handsets, car phones and cellular networks to the touchscreen smartphone, and what stayed the same along the way.
The History of the Telephone: From Alexander Graham Bell to Modern Times
How the telephone grew up in the twentieth century: dial service, transcontinental and transatlantic calls, direct distance dialing, satellites and digital networks.
The Invention of the Telephone Answering Machine Tape: A Convenient Solution
Answering machine tapes explained: endless loops, reel and cassette formats, microcassettes and how engineers fitted recording into a small box beside the phone.
The Invention of the Telephone Answering Machine: A Convenient Solution
How automatic message-taking grew from human answering services and early experiments to household machines, and how it changed the meaning of a missed call.
The Invention of the Telephone Call Blocking: A Convenient Solution
How telephone subscribers gained ways to refuse unwanted callers: unlisted numbers, selective call rejection, do-not-call lists and blocking features on modern phones.
The Invention of the Telephone Call Center: A Convenient Solution
How large groups of agents came to handle business calls, from early answering services to automatic call distribution, toll-free numbers and modern contact centers.
The Invention of the Telephone Call Forwarding: A Convenient Solution
How incoming calls came to follow people from place to place: operator redirects, switch-based forwarding in the 1960s and 70s, and codes on mobile phones.
The Invention of the Telephone Call Queueing: A Convenient Solution
How holding callers in line for the next free agent grew out of queue mathematics, automatic call distribution and recorded announcements.
The Invention of the Telephone Call Recording: A Convenient Solution
A history of capturing telephone conversations, from early magnetic wire and tape recorders to digital call recording, and the consent and privacy debates around it.
The Invention of the Telephone Call Screening: A Convenient Solution
How people gained the ability to hear or see who is calling before answering: answering machine monitoring, caller identification displays and modern call screening.
The Invention of the Telephone Call Transfer to Voicemail: A Convenient Solution
How unanswered calls came to be diverted into stored voice messages: the first voicemail systems of the late 1970s and 1980s, mailboxes and message indicators.
The Invention of the Telephone Call Transfer: A Convenient Solution
How a live call came to be passed from one line or person to another, from operator cord patching to private branch exchange features and internet telephony.
The Invention of the Telephone Call Waiting: A Convenient Solution
How the call waiting tone arrived with computer-controlled switching, why dial-up internet users disliked it, and how smartphones changed the feature.
The Invention of the Telephone Exchange: A Communication Revolution
Why telephone networks needed central switching: manual exchanges and switchboard operators, the economics of shared trunks and the road to automatic switching.
The Invention of the Telephone: A Conversation Starter
The 1876 patent race and the court fights that followed: what Bell's patent claimed, how Western Union and others challenged it, and how the cases ended.
The Rise of the Telephone: A Conversation-Changing Invention
How telephone service spread from businesses to homes and farms, how adoption was uneven, and how it changed manners, work and daily life over several decades.
The Story of the Telephone Switchboard: A Labor of Love
What a day at a small-town switchboard was like: the skills, the community role and the long hours of the people who plugged calls, and how dialing ended it.
The Telegraph: A Revolutionary Invention of the 19th Century
The electric telegraph of Cooke, Wheatstone and Morse: how the instruments differed, how a murder suspect was caught by wire and how news began to outrun people.
The Telegraph: Revolutionizing Long-Distance Communication
How Morse code worked, how telegraph operators sent and received messages, and what the telegraph did to newspapers, business and everyday correspondence.
The Telegraph: The First Means of Long-Distance Communication
The electric telegraph was not the first long-distance signal. Beacons, drums, flags and the Chappe optical telegraph came earlier, with real limits.
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