ETSI EN 302 091-3 English Printed Edition English PDF Broadband Integrated Services Digital Network (B-ISDN) and Broadband Private Integrated Services Network (B-PISN); Digital Subscriber Signalling System No. two (DSS2), Broadband Inter-Exchange Signalling (B-QSIG), and Signalling System No. 7 (SS7); Prenegotiation; Part 3: Test Suite Structure and Te

standard published 08/01/2000 by European Telecommunications Standards Institute