FAA-STD-054, FAA STANDARD, USE OF SELECTIVE SIGNALING STANDARD FOR VOICE COMMUNICATION SYSTEMS (12 MAR 1996)

FAA-STD-054, FAA STANDARD, USE OF SELECTIVE SIGNALING STANDARD FOR VOICE COMMUNICATION SYSTEMS (12 MAR 1996)., This standard defines the selective signaling (SS) interface protocol between Federal Aviation Administration (FAA) voice communications systems and non-FAA voice communications systems (e.g., a military or foreign switch).