[PUBLISH] In the United States Court of Appeals For the Eleventh Circuit

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No. 19-15072 ____________________ AUTAUGA COUNTY EMERGENCY MANAGEMENT COMMUNICATION DISTRICT, CALHOUN COUNTY 911 DISTRICT, BIRMINGHAM EMERGENCY COMMUNICATIONS DISTRICT, MOBILE COUNTY COMMUNICATIONS DISTRICT, Petitioners, versus FEDERAL COMMUNICATIONS COMMISSION,

Respondent, USCA11 Case: 19-15072 Date Filed: 10/26/2021 Page: 2 of 29

2 Opinion of the Court 19-15072 ATT, BELLSOUTH,

Intervenors-Respondents.

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Petition for Review of a Decision of the Federal Communications Commission Agency No. 19-FCC-44 ____________________ Before ROSENBAUM, LUCK, and ANDERSON, Circuit Judges. ROSENBAUM, Circuit Judge: Dialing 9-1-1 from anyw