PN EN 300 121-2005 标准详情
- 标准号：PN EN 300 121-2005
- 中文标题：
- 英文标题：Integrated Services Digital Network (isdn) - Application Of The Isdn User Part (isup) Of Itu-t Signalling System No. 7 (ss7) For International Isdn Interconnections (isup Version 1) Amendment 1: International Emergency Preference Scheme (ieps) Servic
- 标准类别：波兰标准PN
- 发布日期：
