UNE-EN 12441-2:2001/A1:2003
Integrated Services Digital Network (ISDN); Call Forwarding No Reply (CFNR) supplementary service; Service description (Endorsed by AENOR in July of 2003.)
- 标准号
- UNE-EN 12441-2:2001/A1:2003
- 发布
- 2003年
- 发布单位
- ES-UNE
- 替代标准
- UNE-EN 12441-2:2001/A2:2004
- 当前最新
- UNE-EN 12441-2:2001/A2:2004