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  2. Automatic number identification - Wikipedia

    en.wikipedia.org/wiki/Automatic_number...

    Automatic number identification ( ANI) [1] [2] is a feature of a telecommunications network for automatically determining the origination telephone number on toll calls for billing purposes. Automatic number identification was originally created by the American Telephone and Telegraph Company (AT&T) for long distance service in the Bell System ...

  3. AT&T Mobility - Wikipedia

    en.wikipedia.org/wiki/AT&T_Mobility

    AT&T Mobility. AT&T Mobility, LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States. AT&T Mobility is the largest wireless carrier in the United States, with 241.5 million subscribers as of December ...

  4. Prepaid telephone call - Wikipedia

    en.wikipedia.org/wiki/Prepaid_telephone_call

    Prepaid calling operators offer services to customers who hold accounts with them and have paid money in advance. The service is typically accessed by the user dialling a toll free number from any telephone (PSTN, call box, mobile phone etc.). The user then authenticates himself with the operator by entering a PIN, types in the digits of the ...

  5. Contact AOL customer support - AOL Help

    help.aol.com/articles/account-management...

    In addition to the support options listed above, paid members also have access to 24/7 phone support by calling 1-800-827-6364. Learn about the support options AOL offers and how to access help for your question or issue.

  6. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    DMS-100 (large local digital Class 5) (also known as an SL-100 when used as CPE (Customer Provided Equipment or PBX service)also known as Centrex. A Nortel DMS-100e used by an operator to offer local and long-distance services in France; DMS-100/200 (local/toll digital more than 135,000 lines) DMS-200 (toll digital)

  7. Toll-free telephone number - Wikipedia

    en.wikipedia.org/wiki/Toll-free_telephone_number

    Toll-free telephone number. A toll-free telephone number or freephone number is a telephone number that is billed for all arriving calls. For the calling party, a call to a toll-free number from a landline is free of charge. A toll-free number is identified by a dialing prefix similar to an area code.

  8. AT&T Wireless Services - Wikipedia

    en.wikipedia.org/wiki/AT&T_Wireless_Services

    AT&T Wireless Services, Inc., formerly part of AT&T Corporation, was a wireless telephone carrier founded in 1987 in the United States, based in Redmond, Washington, and later traded on the New York Stock Exchange under the stock symbol "AWE", as a separate entity from its former parent. On October 26, 2004, AT&T Wireless was acquired by ...

  9. Electronic toll collection - Wikipedia

    en.wikipedia.org/wiki/Electronic_toll_collection

    Electronic toll collection ( ETC) is a wireless system to automatically collect the usage fee or toll charged to vehicles using toll roads, HOV lanes, toll bridges, and toll tunnels. [1] It is a faster alternative which is replacing toll booths, where vehicles must stop and the driver manually pays the toll with cash or a card.

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