Integrated Services Digital Network (ISDN) - Signalling System No.7 (SS7) - ISDN User Part (ISUP) - Enhancements for support of Number Portability (NP) [ITU-T Recommendation Q.769.1 (2000), modified]
STANDARD published on 1.12.2000
Designation standards: ÖNORM EN 302097-V1.2.2
Publication date standards: 1.12.2000
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM