The phrase “robocall mitigation” usually triggers a STIR/SHAKEN conversation, but the FCC’s actual compliance regime is broader than call signing. The Robocall Mitigation Program, defined under 47 CFR § 64.6305, is the framework that every U.S. voice service provider, gateway provider, non-gateway intermediate provider, and (as of 2025–2026) every MVNO must satisfy before their traffic […]