ETSI EN 302 646-1
ETSI EN 302 646-1
Integrated Services Digital Network (ISDN); Signalling System No.7; Digital cellular telecommunications system (Phase 2+); Application of ISDN User Part (ISUP) version 3 for the ISDN-Public Land Mobile Network (PLMN) signalling interface; Part 1: Protocol specification (GSM 09.14 version 7.0.2 Relea
standard published 09/01/2000 by European Telecommunications Standards Institute
