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  2. Automatic number announcement circuit - Wikipedia

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

    By connecting a test telephone set, a technician calls the local telephone number of the automatic number announcement service. This call is connected to equipment at the central office that uses automatic equipment to announce the telephone number of the line calling in. The main purpose of this system is to allow telephone company technicians ...

  3. Call blocking - Wikipedia

    en.wikipedia.org/wiki/Call_blocking

    Call blocking, also known as call block, call screening, or call rejection, allows a telephone subscriber to block incoming calls from specific telephone numbers. This feature may require an additional payment to the subscriber's telephone company or a third-party. Call blocking is desired by individuals who wish to block unwanted phone calls.

  4. Frontier Communications - Wikipedia

    en.wikipedia.org/wiki/Frontier_Communications

    Frontier Communications Parent, Inc. is an American telecommunications company. [6] Known as Citizens Utilities Company until 2000, [7] Citizens Communications Company until 2008, [8] and Frontier Communications Corporation until 2020, [6] as a communications provider [9] with a fiber-optic network [10] and cloud-based services, [11] Frontier offers broadband internet, digital television, and ...

  5. Automatic number identification - Wikipedia

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

    Modern toll-free telephone numbers, which generate itemized billing of all calls received instead of relying on the special fixed-rate trunks of the Bell System's original Inward WATS service, depend on ANI to track inbound calls to numbers in special area codes such as +1-800, 888, 877, 866, 855, 844, and 833 with 822 reserved for future toll free use (United States and Canada), 1800 ...

  6. Piggybacking (Internet access) - Wikipedia

    en.wikipedia.org/wiki/Piggybacking_(Internet_access)

    Piggybacking on Internet access is the practice of establishing a wireless Internet connection by using another subscriber's wireless Internet access service without the subscriber's explicit permission or knowledge. It is a legally and ethically controversial practice, with laws that vary by jurisdiction around the world.

  7. Anonymous call rejection - Wikipedia

    en.wikipedia.org/wiki/Anonymous_call_rejection

    In many voice telephone networks, anonymous call rejection (ACR) is a calling feature implemented in software on the network that automatically screens out calls from callers who have blocked their caller ID information. The caller usually hears a voice message explaining that their call cannot be connected unless they display their number.

  8. Breakup of the Bell System - Wikipedia

    en.wikipedia.org/wiki/Breakup_of_the_Bell_System

    In 2002 the FCC declared that Internet service providers would be treated as if they were local and would not have to pay these access charges. This led to VoIP service providers arguing that they did not have to pay access charges, resulting in significant savings for VoIP calls. The FCC was split on this issue for some time; VoIP services ...

  9. Frontier Communications of Connecticut - Wikipedia

    en.wikipedia.org/wiki/Frontier_Communications_of...

    The company began doing business as Frontier Communications of Connecticut. It is the second former unit of the Bell System to be acquired by Frontier, the first being Frontier West Virginia (originally C&P Telephone of West Virginia) which was purchased from Verizon in 2010.