ÖNORM EN 302092-1 V 1.2.2:2000-02
Действует
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) - Call Control in a separated call and bearer control environment - Part 1: Protocol specification
