FCC Releases Adopted 3rd Party Caller ID Authentication Rules

On November 22, 2024, the FCC released the Report and Order aiming to improve the FCC’s caller ID authentication rules by clarifying third-party roles and ensuring the responsible party adheres to STIR/SHAKEN standards, thereby reinforcing accountability.  The item was adopted at the November Open Meeting.  There were no notable changes from the draft Report and Order.

The R&O adopts the following requirements:

  • Definition of “Third-Party Authentication” – The FCC defines the term “third-party authentication” to outline permissible practices.  Third-party authentication “refer[s] to scenarios in which a provider with a STIR/SHAKEN implementation obligation under the Commission’s rules enters into an agreement with another party—a ‘third party’—to perform the technological act of signing calls on the provider’s behalf.”
  • Authorization and Conditions – The FCC authorizes providers with STIR/SHAKEN implementation obligations to engage third parties for digitally “signing” calls, under two conditions:
    • (1) The provider must make key “attestation-level” decisions for caller ID authentication; and
    • (2) All calls must be signed using the provider’s certificate, not a third party’s.
  • Certification Requirements – The FCC requires all providers with implementation obligations to obtain a Service Provider Code (SPC) token from the Policy Administrator and present it to a STIR/SHAKEN Certificate Authority for a digital certificate.
  • Compliance for Certification – The FCC mandates that any provider certifying partial or complete STIR/SHAKEN implementation in the Robocall Mitigation Database must have an SPC token and digital certificate, signing all calls with that certificate, either themselves or when working with a third party to perform the technological act of signing calls.
  • Recordkeeping Requirements – The FCC adopts recordkeeping requirements for third-party authentication to ensure compliance with the Commission’s rules.

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