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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...

    So if your bank leaves a voicemail, don’t just call back the number from the missed call. Find the official number online and dial that, suggests Levin. “Never trust—always verify,” he ...

  3. 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]

  4. Malicious caller identification - Wikipedia

    en.wikipedia.org/wiki/Malicious_caller...

    Malicious caller identification, introduced in 1992 as Call Trace, [1] also called malicious call trace or caller-activated malicious call trace, is activated by the vertical service code *57 ("star fifty-seven"), and is an upcharge fee subscription service offered by telephone company providers which, when dialed immediately after a malicious call, records metadata for police follow-up.

  5. Receiving unexpected international calls? What you need ... - AOL

    www.aol.com/receiving-unexpected-international...

    Receiving unexpected international calls can be a source of anxiety for many individuals. Whether it’s a single ring from an unknown number or multiple missed calls from abroad, the uncertainty ...

  6. 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.

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

    www.aol.com/2019-05-03-this-is-why-you-should...

    For premium support please call: 800-290-4726 more ways to reach us

  8. Is that a scam? How to recognize and report fraudulent behavior

    www.aol.com/scam-recognize-report-fraudulent...

    There's a link in your inbox for a new service that seems legitimate, the door-to-door salesman was really nice, and there's an unknown number calling you to discuss a credit card bill you didn't ...

  9. Calling Name Presentation - Wikipedia

    en.wikipedia.org/wiki/Calling_Name_Presentation

    The information could be the person's name or a company name. The caller's name can also be blocked and display “restricted”, or if technical failures occur “not available”. [1] In Canada, the caller name information can be applied either by the client's own equipment (PBX), or by the originating carrier.