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  2. This is why you should never call back an unknown number - AOL

    www.aol.com/article/lifestyle/2019/05/03/this-is...

    Scammers “are adept at spoofing phone numbers for caller ID purposes,” he says. So just because a number shares your area code doesn’t mean the caller is from your town. Crooks purposely use ...

  3. Caller ID - Wikipedia

    en.wikipedia.org/wiki/Caller_ID

    Caller-ID system response sounds in various cases: analog, ISDN and digital PBX Caller identification (Caller ID) is a telephone service, available in analog and digital telephone systems, including voice over IP (VoIP), that transmits a caller's telephone number to the called party's telephone equipment when the call is being set up.

  4. Caller ID spoofing - Wikipedia

    en.wikipedia.org/wiki/Caller_ID_spoofing

    Caller ID spoofing is a spoofing attack which causes the telephone network's Caller ID to indicate to the receiver of a call that the originator of the call is a station other than the true originating station. This can lead to a display showing a phone number different from that of the telephone from which the call was placed. [1]

  5. Truth in Caller ID Act of 2009 - Wikipedia

    en.wikipedia.org/wiki/Truth_in_Caller_ID_Act_of_2009

    On April 6, 2006, Congressmen Eliot Engel (D-N.Y.) and Joe Barton (R-Tex.) introduced H.R. 5126, a bill that would have made caller ID spoofing a crime. Dubbed the "Truth in Caller ID Act of 2006", the bill would have outlawed causing "any caller identification service to transmit misleading or inaccurate caller identification information" via "any telecommunications service or IP-enabled ...

  6. Caller I.D. Spoofing: Don't Believe the Number Showing on ...

    www.aol.com/2010/12/29/caller-i-d-spoofing-dont...

    It's your mother on the phone -- or so your caller I.D. says -- but that's not necessarily so. You may be amazed at how easily a caller can arrange to have virtually any number other than his own ...

  7. Your iPhone will now tell you who every mystery caller is so ...

    www.aol.com/article/2015/06/11/your-iphone-will...

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  8. Calling Name Presentation - Wikipedia

    en.wikipedia.org/wiki/Calling_Name_Presentation

    In the US, the caller's name, or CNAM information, is not sent during a call. Rather, the terminating carrier is responsible for providing the Caller ID information to its customer. The terminating carrier performs a database lookup using the caller's phone number to obtain the name information to display with Caller ID.

  9. Unlisted number - Wikipedia

    en.wikipedia.org/wiki/Unlisted_number

    The second type unlisted number was not listed in the (paper based) phone book, but was listed on the directory service (a voice call to 018 in the 1970s). Listed number with a hidden address is useful for women's shelter etc., where the number needs to be listed, but where the address is to be hidden from the general public. Naturally, there ...