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AT&T and T-Mobile start rolling out cross-network call verification

By Shawn Knight
Aug 14, 2019 at 10:42 AM
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  1. Spam calls are a huge problem for wireless providers and customers alike. Last year alone, Americans were hit with nearly 48 billion unwanted calls but relief could be in sight. In addition to the government taking action, carriers themselves are now stepping up measures to counter robocalls.

    AT&T and T-Mobile on Wednesday started rolling out cross-network call authentication technology based on the SHAKEN / STIR standard. SHAKEN stands for Signature-based Handling of Asserted Information Using toKENs and STIR is short for Secure Telephone Identity Revisited.

    Personally, if I don't recognize a number, I don't answer. If a call is important enough, they'll leave a voicemail.

    A spoofed call will fail the SHAKEN / STIR verification and thus, won’t be marked as verified. As more providers adopt SHAKEN / STIR technology, more calls will be verified over time. With any luck, other major carriers will start rolling out similar implementations in the near future.

    Here’s to hoping spammers don’t figure out how to circumvent the security measure before it gets broadly adopted.

    Masthead credit: Charles Taylor via Getty Images

    Permalink to story.

     
  2. wiyosaya

    wiyosaya TS Evangelist Posts: 4,123   +2,415

    (y) (Y)
     
    jobeard likes this.
  3. Uncle Al

    Uncle Al TS Evangelist Posts: 5,510   +3,899

    "Personally, if I don't recognize a number, I don't answer. If a call is important enough, they'll leave a voicemail."
    I couldn't have said it better and my answering message even says, "calls that don't leave a voice message will NOT be returned" ..... :p
     

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