ETSI EN 301 464
ETSI EN 301 464
Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 interactions with the Intelligent Network Application Part (INAP); Part 1: Protocol specification [ITU-T Recommendation Q.1601 (1999), modified]
standard published 12/01/2000 by European Telecommunications Standards Institute
