Integrated Services Digital Network (ISDN) - Signalling System No.7 - Digital cellular telecommunications system (Phase 2) - Application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 1: Protocol specification (GSM 09.12 version 4.2.2)
NORMA vydaná dňa 1.8.1999
Designation standards: ÖNORM EN 300646-1-V4.2.2
Publication date standards: 1.8.1999
The number of pages: 29
Approximate weight : 87 g (0.19 lbs)
Country: Austrian technische Norm
Kategória: Technické normy ÖNORM