
【国外标准】 Private branch exchanges for connection to the British Telecommunications public switched telephone network. Facilities on private branch exchanges
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适用范围:
暂无
标准号:
BS 6450-5.1:1993
标准名称:
Private branch exchanges for connection to the British Telecommunications public switched telephone network. Facilities on private branch exchanges
英文名称:
Private branch exchanges for connection to the British Telecommunications public switched telephone network. Facilities on private branch exchanges标准状态:
被代替-
发布日期:
1993-02-15 -
实施日期:
出版语种:
- 其它标准
- 上一篇: BS 6450-5-5.1:1984 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators.Facilities on private branch exchanges
- 下一篇: BS 6450-6-6.1:1986 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Simple call-routing mode (SCRM).
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