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 [ITU-T Recommendation Q.699, modified]
STANDARD published on 15.9.1998
Designation standards: ETSI EN 300899-1-V1.1.2
Publication date standards: 15.9.1998
The number of pages: 42
Approximate weight : 126 g (0.28 lbs)
Country: European technical standard
Category: Technical standards ETSI