ETS 300 138-1 Ed.1 标准详情
- 标准号:ETS 300 138-1 Ed.1
- 中文标题:
- 英文标题:Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification
- 标准类别:欧洲通信ETS,I-ETS,PRI-ETSETS
- 发布日期: