ATIS Telecom GlossaryThis document is composed of terms and accompanying definitions that address the disciplines of: telephony, NS/EP (National Security/Emergency Preparedness), NII (National Information Infrastructure), spectrum sharing, radar, radio communications (including HF ALE radio), television (including UHF, VHF, cable TV, and HDTV), facsimile, ·networks (e.g., intelligent networks, open network architecture, ISDN, broadband ISDN, and network management), fiber optic communications, communications security, data processing, premises wiring, photonics, and telegraphy.