FCC requires phone companies to implement caller ID authentication

On March 31, 2020, the Federal Communications Commission adopted rules that require providers to implement signature-based handling of asserted information using tokens (SHAKEN), along with secure telephone identity revisited (STIR) standards in the voice-over-internet protocol portions of their networks by June 30, 2021.  The SHAKEN/STIR standards require that caller IDs be “signed” as legitimate by both originating and downstream carriers.  The purpose of the standards is to prevent spoofed robocalls from reaching US consumers.

The FCC also adopted a notice of proposed rulemaking regarding an extension of the SHAKEN/STIR implementation to intermediate voice service providers and voice networks that do not rely on IP technology.

FCC press release | Report and Order 

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