2007LST EN 302 092-3 V1.1.1-2007 Broadband Integrated Services Digital Network (B-ISDN) und Broadband Private Integrated Services Network (B-PISN); Digital Subscriber Signaling System No. Two (DSS2), Broadband Inter-Exchange Signaling (B-QSIG) und Signaling System No. 7 (SS7);Anruf con