CFR › Title 47 › Part 7 › §7.147 CFR §7.1Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe rules in this part apply to:(a)Any provider of voicemail or interactive menu service;(b)Any manufacturer of telecommunications equipment or customer premises equipment which performs a voicemail or interactive menu function.