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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Automatic Secure Voice Communications Network ： ウィキペディア英語版 Automatic Secure Voice Communications Network The Automatic Secure Voice Communications Network (AUTOSEVOCOM) was a worldwide, switched, secure voice network for the United States Armed Forces, which was operational from the late 1960s to the end of the 1980s. It was closely related to the Automatic Voice Network or AUTOVON, which was the main non-secure switched telephone network for the military. == Phase I == During the mid 1960s, the United States Government decided to implement a worldwide secure voice network. This was named Automatic Secure Voice Communications Network, or by its acronym AUTOSEVOCOM, and was the National Security Agency's first program for DoD telephone protection. It was·a cumbersome and expensive system, that was available only for high-level users. Because of its inadequacies, the Defense Department capped it at 1850 terminals, and in the late 1960s, hoping for something better, decided not to continue with the expansion of AUTOSEVOCOM.〔Thomas R. Johnson, (American Cryptology during the Cold War, 1945-1989 ), 1998, Chapter 17, p. 142.〕 Phase I of the network was approved by the Deputy Secretary of Defense in July 1967 and after that it took several years to implement AUTOSEVOCOM within the continental United States. AUTOSEVOCOM-I was a non-tactical network, that enabled users to discuss classified or sensitive information over the telephone. The network consisted of switching centres, transmission facilities and subscriber terminals. Subscribers were homed either on an AUTOSEVOCOM switch, on an Automatic Voice Network (AUTOVON) switch, or a Joint Overseas Switchboard (JOSS), which were for example operated and maintened by numerous Signal Battalions in Vietnam. The AUTOSEVOCOM switches provided for wideband secure voice communications between local subscribers and enabled them to establish long distance secure voice calls. The majority of the long distance calls were routed by the AUTOVON. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Automatic Secure Voice Communications Network」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.