BS 6450-3.1-1993 由某些公共长途电话接线员操作的与公共开关电话网络连接的专用分组交换机.专用分组交换机直接拨号.第1节:与整体终端站连接的专用分组交换机直接拨号规范
BS 6450-3.1-1993 标准详情
- 标准号:BS 6450-3.1-1993
- 中文标题:由某些公共长途电话接线员操作的与公共开关电话网络连接的专用分组交换机.专用分组交换机直接拨号.第1节:与整体终端站连接的专用分组交换机直接拨号规范
- 英文标题:private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. direct dialling in on private branch exchanges. specification for direct dialling in on private branch exchanges with ter
- 标准类别:英国标准
- 发布日期:1993-01-15
内容简介
BS 6450 specifies requirements for private branch exchanges (PBXs) that are necessary for correct interworking with public switched telephone networks (PSTNs) run by certain public telecommunications operators (PTOs).This Section of BS 6450 specifies
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