BS 6789-2-1984 连接某些公共切换电话网用的单功能或多功能设备.带扬声器的设备规范
BS 6789-2-1984 标准详情
- 标准号：BS 6789-2-1984
- 中文标题：连接某些公共切换电话网用的单功能或多功能设备.带扬声器的设备规范
- 英文标题：apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators. specification for apparatus with loudspeaking facilities
- 标准类别：英国标准
- 发布日期：1984-03-30
内容简介
Requirements for loudspeaking facilities incorporated in extension apparatus for connection to a single exchange line. Applies only where the apparatus containing the loudspeaking facility also provides either integral handset telephony or the capabi
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