Business TeleCommunications (BTC) - Planning of loudness rating and echo values for private networks digitally connected to the public network; English version ETS 300283:1994
标准号:DIN ETS 300283-1994
标准名称: 商务电信(BTC).与公共网络数字连接的专用网络用响度值和回波值的设计; 英文版本 ETS 300283:1994
英文名称:Business TeleCommunications (BTC) - Planning of loudness rating and echo values for private networks digitally connected to the public network; English version ETS 300283:1994
标准类型:国外标准
标准状态:现行
中国标准分类号(CCS):M11
国际标准分类号(ICS):33.040.40