Joint multichannel trunking and switching system

Joint multichannel trunking and switching system: That composite multichannel trunking and switching system[?] formed from assets of the Services, the Defense Communications System[?], other available systems, and/or assets controlled by the Joint Chiefs of Staff to provide an operationally responsive, survivable communication system, preferably in a mobile/transportable/recoverable configuration, for the joint force commander in an area of operations.

Source: from Federal Standard 1037C and from the Department of Defense Dictionary of Military and Associated Terms