PN ETS 300 356-17-2005 标准详情
- 标准号:PN ETS 300 356-17-2005
- 中文标题:
- 英文标题:Integrated Services Digital Network (isdn) - Signalling System No. 7 - Isdn User Part (isup) Version 2 For The International Interface - Part 17: Call Waiting (cw) Supplementary Service
- 标准类别:波兰标准PN
- 发布日期: