CONTENTS

 1     Scope
 2     References
 3     Definitions
 4     Abbreviations
 5     B-ISUP messages and parameters
        5.1     Messages
        5.2     Parameters
                  5.2.1     Formats and coding
 6     Application process procedures
 7     Application service elements and primitives
        7.1     Primitives between SACF and application process
                  7.1.1     Set_Up request/indication primitive
                  7.1.2     Subsequent_Directory_Number request/indication primitive
        7.2     Outgoing Messages
        7.3     Incoming Messages
        7.4     Primitives between CC ASE and SACF
                  7.4.1     Call_Set_Up request/indication primitive
                  7.4.2     Call_Subsequent_Directory_Number request/indication primitive
        7.5     Outgoing CC ASE
        7.6     Incoming CC ASE
 8     Instruction indicators and interworking
        8.1     Interworking with nodes not supporting this feature
        8.2     Interworking with DSS2
        8.3     Interworking with narrow-band ISUP
                  8.3.1     Mapping of initial address message
                  8.3.2     Mapping of the subsequent directory number message (national use)
Appendix I - Setting of instruction indicators