ETSI EN 300 443-2 English Printed Edition English PDF 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; Parts 2: Protocol Implementation Conformance Statement (PICS) proforma specification

standard published 06/01/2001 by European Telecommunications Standards Institute