EN 300 485 V1.2.3 (1999) 标准详情
- 标准号:EN 300 485 V1.2.3 (1999)
- 中文标题:
- 英文标题:Integrated Services Digital Network (ISDN); Definition and usage of cause and location in Digital Subscriber Signalling System No. one (DSS1) and Signalling System No. 7 (SS7) ISDN User Part (ISUP) [ITU-T Recommendation Q.850 (1998) with addendum mod
- 标准类别:欧盟标准EN
- 发布日期: