County Coordinator /MSAG Coordinator

A person representing the local government agency in the implementation of enhanced 9‐1‐1. The County or MSAG Coordinator is responsible for...

Cellular Carrier

A carrier authorized to provide cellular mobile radio communications exchange services.

ESS

Electronic Switching System - Computerized switching of telephone calls used by the telephone company.

Cell Sector or Cell Face

An area consisting of a certain portion or all of the total coverage area of a cell site. One face of a cell antenna, typically three‐sided, that...