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  2. Fixed Dialing Number - Wikipedia

    en.wikipedia.org/wiki/Fixed_dialing_number

    Fixed Dialing Number (FDN) is a service mode of a GSM mobile phone's SIM card. [1] Numbers are added to the FDN list, and when activated, FDN restricts outgoing calls to only those numbers listed, or to numbers with certain prefixes. [1]

  3. Trap and trace device - Wikipedia

    en.wikipedia.org/wiki/Trap_and_trace_device

    Title 18 of the United States Code defines a trap and trace device as follows: . The term "trap and trace device" means a device or process which captures the incoming electronic or other impulses which identify the originating number or other dialing, routing, addressing, and signaling information reasonably likely to identify the source of a wire or electronic communication, provided ...

  4. Telephone - Wikipedia

    en.wikipedia.org/wiki/Telephone

    Most telephones also contain an alerting feature, such as a ringer or a visual indicator, to announce an incoming telephone call. Telephone calls are initiated most commonly with a keypad or dial, affixed to the telephone, to enter a telephone number , which is the address of the call recipient's telephone in the telecommunications system, but ...

  5. Vertical service code - Wikipedia

    en.wikipedia.org/wiki/Vertical_service_code

    The following are the vertical service codes generally recommended by the North American Numbering Plan Administrator for use in the NANP territories. Not all of these services are available in all areas, and some are only available on landline telephones or Mobile phones.

  6. VoIP phone - Wikipedia

    en.wikipedia.org/wiki/VoIP_phone

    iPhone, Android and the QNX OS used in 2012-and-later BlackBerry phones are widely capable of VoIP performance. Besides wireless, they also typically support USB, but not Ethernet or Power over Ethernet interfaces. The smartphone became the dominant VoIP phone because it works both indoors and outdoors, and shifts base stations/protocols easily.

  7. Statewide outage impacting 911 calls, phone and ... - AOL

    www.aol.com/911-calls-not-working-landlines...

    The company told WHO-13: “Our techs are working hard to fix a service disruption, caused by a water pipe break, which is affecting landline 911, phone, and Internet service for some customers in ...

  8. Configure POP and IMAP settings for Verizon.net AOL Mail ...

    help.aol.com/articles/how-do-i-set-up-other...

    Most email software and applications have an account settings menu where you'll need to update the IMAP or POP3 settings. When entering your account info, make sure you use your full email address, including @verizon.net, and that the SSL encryption is enabled for incoming and outgoing mail.

  9. Telephone call - Wikipedia

    en.wikipedia.org/wiki/Telephone_call

    A telephone call or telephone conversation (or telcon [1] [a]), also known as a phone call or voice call (or simply a call), is a connection over a telephone network between the called party and the calling party. Telephone calls started in the late 19th century, initially relying on analog systems.