Integrated Services Digital Network (ISDN) - Signalling System No.7 - Interworking between ISDN User Part (ISUP) version 2 and Digital Subscriber Signalling system No.one (DSS1) - Part 1: Protocol specification
STANDARD published on 1.9.1999
Designation standards: ČSN EN 300899-1-V1.1.2
Classification mark: 877141
Catalog number: 56452
Publication date standards: 1.9.1999
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN