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  2. How to tell if someone blocked your number - AOL

    www.aol.com/2019-08-16-how-to-tell-if-someone...

    But little clues like the lack of the “Delivered” message (on iPhones), as well as what you hear when you call the person, can help you determine if they’ve blocked you. “If you call a ...

  3. How to Know If Someone Blocked Your Number - AOL

    www.aol.com/know-someone-blocked-number...

    Indeed, finding out if someone blocked your phone number is far easier if you have an iPhone, and if the person you’re texting does as well. Justin Lavelle, Chief Communications Officer with ...

  4. This iPhone Hack Can Help Reduce The Number Of Spam Texts You See

    www.aol.com/iphone-hack-help-reduce-number...

    Android users have a way to block unknown numbers, too. For Android phones: 1. Go to Settings, then select Blocked numbers. 2. Toggle on the Unknown option. This will block private or unidentified ...

  5. Mobile phone spam - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_spam

    Another approach to reducing SMS spam that is offered by some carriers involves creating an alias address rather than using the cell phone's number as a text message address. Only messages sent to the alias are delivered; messages sent to the phone's number are discarded. A New York Times article provided detailed information on this in 2008. [27]

  6. Voice phishing - Wikipedia

    en.wikipedia.org/wiki/Voice_phishing

    A phone number is difficult to block and scammers can often simply change phone numbers if a specific number is blocked and often find ways around rules and regulations. Phone companies and governments are constantly seeking new ways to curb false scam calls.

  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. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

    www.aol.com/19-dangerous-scam-phone-numbers...

    The good news is that scams operate in many known area codes, so you can avoid being the next victim simply by honing in on the list of scammer phone numbers. Read Next: 6 Unusual Ways To Make ...

  9. SMS spoofing - Wikipedia

    en.wikipedia.org/wiki/SMS_spoofing

    SMS spoofing is a technology which uses the short message service (SMS), available on most mobile phones and personal digital assistants, to set who the message appears to come from by replacing the originating mobile number (Sender ID) with alphanumeric text. Spoofing has both legitimate uses (setting the company name from which the message is ...