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  2. Call screening - Wikipedia

    en.wikipedia.org/wiki/Call_screening

    Call screening is the process of evaluating the characteristics of a telephone call before deciding how or whether to answer it. [1] Some methods may include: listening to the message being recorded on an answering machine or voice mail. [1] checking a caller ID display to see who or where the call is from. [1]

  3. Vertical service code - Wikipedia

    en.wikipedia.org/wiki/Vertical_service_code

    As CLASS was an AT&T trademark, the term vertical service code was adopted by the North American Numbering Plan Administration. The use of vertical is a somewhat dated reference to older switching methods and the fact that these services can only be accessed by a telephone subscriber, going up ( vertically ) inside the local central office ...

  4. AT&T Merlin - Wikipedia

    en.wikipedia.org/wiki/AT&T_Merlin

    AT&T Merlin five-button telephone (voice terminal) manufactured in early 1980. AT&T Merlin is a corporate telephone system by American Telephone and Telegraph (AT&T) that was introduced in late 1983, when it was branded American Bell Merlin. After the breakup of the Bell System in 1984, it was rebranded and later also supplied by Lucent and Avaya.

  5. AT&T phones now show when calls come from verified numbers - AOL

    www.aol.com/news/2019-12-18-att-call-validation...

    AT&T is making good on its promise to validate calls and fight robocallers. The carrier has enabled validation displays that let you know when a call really did come from a given number.

  6. Hayes AT command set - Wikipedia

    en.wikipedia.org/wiki/Hayes_AT_command_set

    The Hayes command set includes commands for various phone-line operations such as dialing and hanging-up. It also includes various controls to set up the modem, including a set of register commands which allowed the user to directly set the various memory locations in the original Hayes modem.

  7. AOL Desktop - AOL Help

    help.aol.com/products/aol-software

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  8. AT&T CallVantage - Wikipedia

    en.wikipedia.org/wiki/AT&T_CallVantage

    AT&T CallVantage was a voice over Internet Protocol telephone service first offered in 2004 by AT&T Corp., upon the heels of its announcement that it would stop seeking traditional local and long-distance landline customers.

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