YDN 089-1998
No.7 Signaling Network Technical System (Revision 1998) (Internal Standard) (English Version)

Standard No.

YDN 089-1998

Language

Chinese, Available in English version

Release Date

1998

Published By

Professional Standard - Post and Telecommunication

Latest

YDN 089-1998

YDN 089-1998 history

• 1998 YDN 089-1998 No.7 Signaling Network Technical System (Revision 1998) (Internal Standard)