ETSI ETR 063-商业电信（BT）；最终草案prETS 300 001未涵盖的PSTN模拟接入调查-国家数字标准馆

现行 ETSI ETR 063

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Business Telecommunications (BT); A survey of analogue accesses to the PSTN not covered by Final draft prETS 300 001 商业电信（BT）；最终草案prETS 300 001未涵盖的PSTN模拟接入调查

发布日期： 1993-05-01

了解prETS 300 001中未涵盖的模拟接入使用的国家PSTN附件批准要求，并评估是否值得为所选接口准备统一的要求陈述

To find out what National PSTN attachment approval requirements are used for Analogue accesses not covered in prETS 300 001 and to evaluate whether it is worthwhile to prepare a harmonised presentation of the requirements for selected interfaces

分类信息

发布单位或类别：国际组织-欧洲电信标准协会

关联关系

研制信息

相似标准/计划/法规

现行

ETS 300 004

Business Telecommunications (BT); Transmission Characteristics at 2-wire Analogue Interfaces of a Digital Private Automatic Branch Exchange (PABX)
商业电信（BT）；数字专用自动交换机（PABX）双线模拟接口的传输特性

1991-08-01

现行

ETS 300 005

Business Telecommunications (BT); Transmission Characteristics at 4-WIRE Analogue Interfaces of a Digital Private Automatic Branch Exchange (PABX)
商业电信（BT）；数字专用自动交换机（PABX）四线模拟接口的传输特性

1991-08-01

现行

ETSI ETR 004

Business Telecommunications (BT); Overall transmission plan aspects of a private branch network for voice connections with access to the public network
商业电信（BT）；用于接入公共网络的语音连接的专用分支网络的总体传输计划方面

1990-08-01