YDN 047-1997
Technical specifications for service switching points (SSP) of China intelligent network equipment (internal standard) (English Version)
- Standard No.
- YDN 047-1997
- Language
- Chinese, Available in English version
- Release Date
- 1997
- Published By
- Professional Standard - Post and Telecommunication
- Latest
- YDN 047-1997
YDN 047-1997 history
- 1997 YDN 047-1997 Technical specifications for service switching points (SSP) of China intelligent network equipment (internal standard)
