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Phone carriers must authenticate calls to fight robocalls, says FCC

April 2, 2020

The US Federal Communications Commission (FCC) on Tuesday unanimously passed new rules that require wireless carriers to implement a technology framework – by June 2021 – to filter out robocalls.

This one’s been kicking around for years: it’s called STIR/SHAKEN.

Short for Secure Telephone Identity Revisited and Signature-Based Handling of Asserted Information Using ToKENs, STIR/SHAKEN is a pair of network protocols that use digital certificates to verify that the number on caller ID is the number that actually placed the call, as opposed to one of the many flavors of robocalling scammers who’ve been pestering us like growing swarms of gnats.

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