ETSI PRETS 300 439-1996 标准详情
- 标准号:ETSI PRETS 300 439-1996
- 中文标题:商业电讯( BTC ) ,数字传输特性,专用分组交换机(PBX )
- 英文标题:Business Telecommunications (BTC); Transmission Characteristics of Digital; Private Branch eXchanges (PBXs)
- 标准类别:欧洲通信ETS,I-ETS,PRI-ETSETS
- 发布日期:1996-01-01