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  2. SBC Long Distance - Wikipedia

    en.wikipedia.org/wiki/SBC_Long_Distance

    SBC Long Distance is a separate subsidiary than AT&T Communications, the incumbent long-distance carrier for most of the country acquired in the SBC merger with AT&T. SBC Long Distance started in 1996 as Southwestern Bell Communications Services, Inc. , created as a result of the Telecommunications Act of 1996 which allowed the Baby Bells to ...

  3. AT&T Communications - Wikipedia

    en.wikipedia.org/wiki/AT&T_Communications

    AT&T Phone (formerly AT&T U-verse Voice) is a voice communication service delivered over AT&T's IP network . This phone service is digital and provides a voicemail service accessed by *98 from the home number. Customers who subscribe to both AT&T Phone and U-verse TV get features such as call history on channel 9900, which displays the last 100 ...

  4. SBC Telecom - Wikipedia

    en.wikipedia.org/wiki/SBC_Telecom

    SBC Telecom, Inc. d/b/a AT&T Small Business is a CLEC owned by AT&T that offers local telephone service outside the AT&T Bell Operating Company regions. [1] [better source needed] It was formed in 1999 following provisions that required SBC Communications to offer telephone service outside its boundaries in order to get approval to merge with Ameritech.

  5. AT&T - Wikipedia

    en.wikipedia.org/wiki/AT&T

    After this purchase, SBC adopted the better-known AT&T name and brand, with the original AT&T Corporation still existing as the long-distance landline subsidiary of the merged company. [37] The current AT&T Inc. claims the original AT&T Corporation's history (dating to 1877) as its own, [ 38 ] but retains SBC's pre-2005 corporate structure and ...

  6. Long line (telecommunications) - Wikipedia

    en.wikipedia.org/wiki/Long_line_(telecommunications)

    In the United States, some of this technology was spun off into the corporate entity known as AT&T Long Distance with the breakup of AT&T in 1984. Previously, the AT&T Long Lines division of the Bell System provided maintenance and installation of long line facilities for the Bell System's long-distance service.

  7. Toll-free telephone numbers in the North American Numbering Plan

    en.wikipedia.org/wiki/Toll-free_telephone...

    In the early 1980s, Bell Labs received a patent for what became AT&T's "Advanced 800 Service", a computer-controlled system where any toll-free number could point to any destination number, such as to a small business local number instead of a special InWATS line, and an itemized bill generated only for the calls the business actually received.

  8. Long-distance calling - Wikipedia

    en.wikipedia.org/wiki/Long-distance_calling

    Long-distance calling from landlines was opened to competition in the early 1990s and the use of long-distance revenue to subsidise local service was phased out a few years later. It is not possible for mobile telephone subscribers or coin-paid telephone users to select a default carrier, so long-distance calls are often priced higher from ...

  9. Southwestern Bell - Wikipedia

    en.wikipedia.org/wiki/Southwestern_Bell

    SBC Communications bought AT&T Corp. on November 18, 2005, and changed its name to AT&T Inc. Shortly afterwards, on January 15, 2006, AT&T companies were given new d.b.a names. As a result, officially, Southwestern Bell began conducting business under the following names: AT&T Arkansas, AT&T Kansas, AT&T Missouri, AT&T Oklahoma, and AT&T Texas.