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ARTICLE · 07 MARCH 2025

FCC Expands Call Blocking Requirements For Voice Service Providers

Wiley Rein
Explore more from Wiley Rein

On February 27, 2025, the Federal Communications Commission (FCC or Commission) adopted an Eighth Report and Order (Order) expanding the Commission's rules targeting illegal robocallers.

United StatesMedia, Telecoms, IT, Entertainment
Kevin G. Rupy
Kevin G. Rupy
Kathleen E. Scott
Kathleen E. Scott
Kelly Laughlin
Kelly Laughlin
Jackson McNeal
Jackson McNeal

On February 27, 2025, the Federal Communications Commission (FCC or Commission) adopted an Eighth Report and Order (Order) expanding the Commission's rules targeting illegal robocallers. The Order extends the requirement to block voice traffic based on a reasonable do-not-originate (DNO) list to all providers in the call path, and it modifies the Commission's rules requiring terminating voice service providers to immediately notify callers of voice traffic blocked based on reasonable analytics using Session Initiation Protocol (SIP) code 603+.

The Order continues the Commission's ever-increasing requirements for voice service providers to take steps to mitigate illegal robocalling, building most recently on the January 2025 Report and Order that imposed new requirements and fees for Robocall Mitigation Database (RMD) filers. These latest call blocking rules, which will apply differently to various voice service providers throughout the call chain, are discussed in

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