ÖNORM EN 301848-1 V 1.1.1:2001-05
Действует
Integrated Services Digital Network (ISDN) - Signalling System No.7 (SS7) - Bearer Independent Call Control (BICC) - Signalling procedures in an ATM/IP/.. backbone network - Capability Set 1 (CS1) - Part 1: Protocol specification [ITU-T Recommendations Q.1901 and Q.765.5, modified]
