I.S. EN 300 356-21-2001 标准详情
- 标准号:I.S. EN 300 356-21-2001
- 中文标题:
- 英文标题:Integrated Services Digital Network (isdn) - Signaling System no. 7 (ss7) - Isdn User Part (isup) Version 4 for the International Interface - Part 21: Anonymous Call Rejection (acr) Supplementary Service
- 标准类别:爱尔兰国家标准I.S.
- 发布日期: