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  2. Automatic number announcement circuit - Wikipedia

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

    An automatic number announcement circuit ( ANAC) is a component of a central office of a telephone company that provides a service to installation and service technicians to determine the telephone number of a telephone line. The facility has a telephone number that may be called to listen to an automatic announcement that includes the caller's ...

  3. Telecommunications relay service - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_relay...

    In Canada and the United States, the telephone number 711 is used for the Telecommunications Relay Service. In the U.S., every phone company is required to connect persons who dial 711 to a TRS call center from a working number. In July 2007, the Federal Communications Commission ruled that the 711 requirement extended to VOIP telephony.

  4. 555 (telephone number) - Wikipedia

    en.wikipedia.org/wiki/555_(telephone_number)

    555 (telephone number) The telephone number prefix 555 is a central office code in the North American Numbering Plan, used as the leading part of a group of 10,000 telephone numbers, 555-XXXX, in each numbering plan area (NPA) (area code). It has traditionally been used only for the provision of directory assistance, when dialing NPA-555-1212.

  5. Ameritech Cellular - Wikipedia

    en.wikipedia.org/wiki/Ameritech_Cellular

    Ameritech Mobile Communications, LLC was the first company in the United States to provide cellular mobile phone service to the general public. Cell service became publicly available in Chicago on October 13, 1983. The company was a division of Ameritech which, as of January 1, 1984, was the holding company of Illinois Bell, Michigan Bell ...

  6. Telephone numbers in the United Arab Emirates - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_the...

    Country code. +971. International access. 00. Long-distance. 0. Telephone numbers in the United Arab Emirates (UAE) follow a closed telephone numbering plan. The UAE is assigned an international dialing code of +971 by ITU. Telephone numbers are fixed at seven digits, with area codes fixed at two or three digits.

  7. Telephone numbers in Malaysia - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Malaysia

    0. Telephone numbers in Malaysia are regulated by the Malaysian Communications and Multimedia Commission (MCMC). Landline telephone numbers consist of an area code of 1 to 2 digits (excluding the leading zero), followed by a 6 to 8-digit subscriber number. Mobile phone numbers consist of a mobile phone code of 2 digits followed by a 7- to 8 ...

  8. Hotline - Wikipedia

    en.wikipedia.org/wiki/Hotline

    However, in common or colloquial usage, a "hotline" often refers to a call center reachable by dialing a standard telephone number, or sometimes the phone numbers themselves. This is especially the case with 24-hour, noncommercial numbers, such as police tip hotlines or suicide crisis hotlines, which are staffed around the clock and thereby ...

  9. Customer service - Wikipedia

    en.wikipedia.org/wiki/Customer_service

    Customer service is the assistance and advice provided by a company through phone, online chat, and e-mail to those who buy or use its products or services. Each industry requires different levels of customer service, [1] but towards the end, the idea of a well-performed service is that of increasing revenues.