Upon termination of permissive dialing, as provided under Sec. 64.3003, telecommunications carriers shall provide a standard intercept message announcement that interrupts calls placed to the emergency service provider using either a seven-or ten-digit emergency number or an abbreviated dialing code other than 911 and informs the caller of the dialing code change.
Subpart BB_Restrictions on Unwanted Mobile Service Commercial Messages
Authority: 15 U.S.C. 7701-7713, Public Law 108-187, 117 Stat. 2699.