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  2. 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.

  3. Session border controller - Wikipedia

    en.wikipedia.org/wiki/Session_border_controller

    In many cases the SBC hides the network topology and protects the service provider or enterprise packet networks. The SBC terminates an inbound call and initiates the second call leg to the destination party. In technical terms, when used with the SIP protocol, this defines a back-to-back user agent (B2BUA). The effect of this behavior is that ...

  4. SBC - Wikipedia

    en.wikipedia.org/wiki/SBC

    SBC Cinemas, cinema chain in Taiwan, now part of Vue International; SBC Telecom, a US telecom corporation; Seattle's Best Coffee, American coffee retailer; Security Bank Corporation, Philippines; Service Bureau Corporation, former IBM subsidiary divested in 1973; South Bay Conservatory, a performing arts company, Los Angeles, California, US

  5. SNET America - Wikipedia

    en.wikipedia.org/wiki/SNET_America

    In 2003, SNET America began doing business as SBC Long Distance East. In 2005, when SBC changed its name to AT&T , SNET America began doing business as AT&T Long Distance East . On December 17, 2013, AT&T announced plans to sell SNET America and its companion incumbent local exchange carrier Southern New England Telephone to Frontier ...

  6. Breakup of the Bell System - Wikipedia

    en.wikipedia.org/wiki/Breakup_of_the_Bell_System

    SBC purchased Southern New England Telecommunications in 1998 for $5.01 billion, [13] and Ameritech in 1999 for $61 billion, creating the largest U.S. local phone company at the time. [14] AT&T Corporation , the original parent, was acquired effective November 18, 2005, by SBC, which renamed itself AT&T Inc. and began using the ticker symbol "T ...

  7. Southwestern Bell - Wikipedia

    en.wikipedia.org/wiki/Southwestern_Bell

    The Southwestern Bell brand vanished in late 2002 when SBC dropped the names of all its operating companies to use "SBC" as a national brand. Since d.b.a. names weren't approved before publishing deadlines for telephone directories distributed in December 2002 and January 2003, the Southwestern Bell Telephone Co. name remained on telephone ...

  8. ATT - Wikipedia

    en.wikipedia.org/wiki/Att

    ATT may refer to: . AT&T (disambiguation) AT&T Inc., an American telecommunications company founded 1983 (formerly Southwestern Bell or SBC Communications); AT&T Corporation, the original AT&T founded 1885 (formerly American Telephone & Telegraph), purchased by SBC in 2005

  9. Prodigy (online service) - Wikipedia

    en.wikipedia.org/wiki/Prodigy_(online_service)

    Ultimately, SBC bought a 43% interest in the company, and Prodigy became the exclusive provider to SBC's 77 million high-speed Internet customers. More than a year later after the launch of Prodigy Broadband (conceived and led by Chris Spanos), SBC bought controlling interest for $465 million when Prodigy was the fourth-largest Internet service ...