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  2. Telephone line - Wikipedia

    en.wikipedia.org/wiki/Telephone_line

    In most cases, two copper wires (tip and ring) for each telephone line run from a home or other small building to a local telephone exchange. There is a central junction box for the building where the wires that go to telephone jacks throughout the building and wires that go to the exchange meet and can be connected in different configurations ...

  3. Timeline of the telephone - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_telephone

    17 January 1927: Opening of third transcontinental telephone line via a northern route. [23] 7 April 1927: world's first videophone call via an electro-mechanical AT&T unit, from Washington, D.C. to New York City, by then-Commerce Secretary Herbert Hoover. [30] [31] 8 December 1929: Opening of commercial ship-to-shore telephone service. [23]

  4. Landline - Wikipedia

    en.wikipedia.org/wiki/Landline

    Landline service is typically provided through the outside plant of a telephone company's central office, or wire center. The outside plant comprises tiers of cabling between distribution points in the exchange area, so that a single pair of copper wire, or an optical fiber, reaches each subscriber location, such as a home or office, at the network interface.

  5. Telephone - Wikipedia

    en.wikipedia.org/wiki/Telephone

    A mobile phone or cellphone or hand phone is a handheld telephone which connects via radio transmissions to a cellular telephone network. The cellular network consists of a network of ground based transmitter/receiver stations with antennas – which are usually located on towers or on buildings – and infrastructure connecting to the global ...

  6. Wide Area Telephone Service - Wikipedia

    en.wikipedia.org/wiki/Wide_Area_Telephone_Service

    The WATS (Wide Area Telephone Service) line is the heart of all SNCC security and communications. For a flat monthly rate, an unlimited number of calls can be dialed directly to any place in the country — or the state — depending on what line one uses. The Jackson office has a state-wide line, the Atlanta office has the national WATS line.

  7. History of the telephone - Wikipedia

    en.wikipedia.org/wiki/History_of_the_telephone

    On January 7, 1927, W. S. Gifford, president of the American Telephone & Telegraph Company, called Evelyn P. Murray to test the first commercial telephone line across the Atlantic Ocean. [ 30 ] What turned out to be the most popular and longest-lasting physical style of telephone was introduced in the early 20th century, including Bell's model ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Plain old telephone service - Wikipedia

    en.wikipedia.org/wiki/Plain_old_telephone_service

    This is an often cited benchmark in marketing and systems-engineering comparisons, called the "five nines" reliability standard. It is equivalent to having a dial-tone available for all but about five minutes each year. However, POTS depends upon a hardwired connection from each household to the phone company.