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商务通信(BTC).普通质量和高质量声音带宽双线模拟租用线(A20 和A2S)的终端设备接口附加要求

Business TeleCommunications (BTC); Ordinary and Special Quality Voice Bandwidth 2-Wire Analogue Leased Lines (A20 and A2S); Attachment Requirements for Terminal Equipment Interface

国外标准 现行

标准号:ETSI TBR 15-1997

标准名称: 商务通信(BTC).普通质量和高质量声音带宽双线模拟租用线(A20 和A2S)的终端设备接口附加要求

英文名称:Business TeleCommunications (BTC); Ordinary and Special Quality Voice Bandwidth 2-Wire Analogue Leased Lines (A20 and A2S); Attachment Requirements for Terminal Equipment Interface

标准类型:国外标准

标准状态:现行

中国标准分类号(CCS):M32

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