NEN EN 300356-19 : 2001
Current
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - SIGNALLING SYSTEM NO. 7 - ISDN USER PART (ISUP) VERSION 3 FOR THE INTERNATIONAL INTERFACE - PART 19: THREE-PARTY (3PTY) SUPPLEMENTARY SERVICE
Published date
01-12-2013
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