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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. 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 ...

  4. 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 ...

  5. The Residential Phone Book's Number Is Up - AOL

    www.aol.com/2010/11/15/the-residential-phone...

    Long relegated to a makeshift foot stool or door stop, the residential phone book (a.k.a the White Pages) is finally getting the official disconnect notice. Major telecommunications companies have ...

  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. AOL Plans - AOL Help

    help.aol.com/articles/aol-advantage-plans

    Tech Plus by AOL will provide around-the-clock tech support for all your devices coupled with computer and digital data protection services. • Tech Plus by AOL - Platinum - Tech Plus Platinum includes top of the line products to help protect your identity, personal data and devices, so that you have more control over your digital life.

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