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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 Managed facilities-based voice network ： ウィキペディア英語版 Managed facilities-based voice network A managed facilities-based voice network, or MFVN, is a physical network owned and operated by a voice service provider that delivers traditional telephone service via a loop start analog telephone interface. MFVNs are interconnected with the public switched telephone network (PSTN) and provide dialtone to end users. Historically, this was provided by equipment at Bell company central offices, however today's MFVNs can include a combination of access network (last mile network of copper, coaxial cable, or fiber optics), customer premises equipment (CPE), network switches and routers, network management systems, voice call servers, and gateways to the larger PSTN. MFVN providers include cable operators and telephone companies, but do not include Internet based providers such as Vonage, Magic Jack, and others that use the public internet to carry calls. ==Definition== MFVN providers: :(a) Manage and maintain their network to ensure end-to-end service quality and reliability from the service subscriber location to the PSTN or other MFVN peer network, :(b) Provide a service that is functionally equivalent to traditional analog phone service with respect to dialing, dial plan, call completion, carriage of voice signals and protocols, and loop voltage treatment, :(c) Provide real-time transmission of voice signals that carry FAX, data, Point of Sale (POS), burglar alarm and fire alarm system formats unchanged, :(d) Provide both professional installation and subscriber information on home wiring practices for residential installations if self-installation is available, which preserves primary line seizure for alarm system interconnection, and :(e) Have major and minor disaster recovery plans to address both individual customer outages and widespread events such as tornados, ice storms or other occurrences of a catastrophic nature, which include specific network power restoration procedures equivalent to those of traditional landline telephone services. 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「Managed facilities-based voice 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.