ETSI EN 300 443-1
ETSI EN 300 443-1
Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for basic call/bearer control; Part 1: Protocol specification [ITU-T Recommendation Q.2931 (1995), modified]
standard published 03/01/2001 by European Telecommunications Standards Institute
