ETSI PRETS 300 209-1992 标准详情
- 标准号:ETSI PRETS 300 209-1992
- 中文标题:综合业务数字网( ISDN ) ,免费电话( FPH )补充业务功能能力和信息流
- 英文标题:Integrated Services Digital Network (ISDN); Freephone (FPH) Supplementary Service Functional Capabilities and Information Flows
- 标准类别:欧洲通信ETS,I-ETS,PRI-ETSETS
- 发布日期:1992-01-01