Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP); Enhancement for support of Number Portability (NP) [ITU-T Recommendation Q.769.1 (2000), modified]
NORMA vydaná dňa 20.9.2000
Designation standards: ETSI EN 302097-V1.2.2
Publication date standards: 20.9.2000
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: European technical standard
Kategória: Technické normy ETSI