EN 300 356-4 V4.2.1 (2001) 标准详情
- 标准号：EN 300 356-4 V4.2.1 (2001)
- 中文标题：
- 英文标题：Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 4: Calling Line Identification Restriction (CLIR) supplementary service [ITU-T Recommendation Q.731, claus
- 标准类别：欧盟标准EN
- 发布日期：
