ÖNORM EN 301143 V 1.1.4:1999-12
Действует
Intelligent Network (IN) - Intelligent Network Application Protocol (INAP) - Capability Set 2 (CS2) - Cordless Terminal Mobility (CTM) - Stage 3 specifications for Service Control Function (SCF) - SCF and Call Unrelated Service Function (CUSF)/Service Switching Function (SSF) - SCF interface
