ETS 300 661-1 Ed.1 (1997) 标准详情
- 标准号:ETS 300 661-1 Ed.1 (1997)
- 中文标题:
- 英文标题:Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol; Direct Dialling In (DDI) supplementary service; Part 1: Protocol specification [ITU-T Recommendation Q.2951, clause 1 (1995), modifi
- 标准类别:欧洲通信ETS,I-ETS,PRI-ETSETS
- 发布日期: