National Airspace System Voice System

Definition
A National Airspace System Voice System is

"a new flexible networkable voice communications system with flexible networking capabilities that will be required for future air traffic operations, as envisioned by NextGen. The System is the key voice communication component for NextGen, as many of the seventeen different switches currently used in the national airspace are already experiencing severe obsolescence issues. Unmanned Aircraft Systems: Measuring Progress and Addressing Potential Privacy Concerns Would Facilitate Integration into the National Airspace System, at 18, n.27."