CONTENTS

 1     Scope
 2     References
 3     Terms and definitions
 4     Abbreviations
 5     General
 6     Exceeding the maximum message length
 7     Network specific facilities (national use)
        7.1     Sending unsolicited information (national use)
 8     Generic procedures
        8.1     Service activation
                  8.1.1     General description
                  8.1.2     Service activation procedure
                  8.1.3     Error procedures
        8.2     General digit transfer (national use)
        8.3     Remote operations service element (ROSE) capability (national use)
                  8.3.1     General description
                  8.3.2     Remote operations procedure in ISDN user part
                  8.3.3     Error performance
        8.4     Generic notification procedure
        8.5     Generic number transfer
        8.6     Pivot routing
                  8.6.1     Normal procedures
                  8.6.2     Exceptional procedures
                  8.6.3     Interworking considerations
                  8.6.4     Pivot routing timers
        8.7     Redirection (national use)
                  8.7.1     Normal procedures
                  8.7.2     Exceptional procedures
                  8.7.3     Interworking considerations
                  8.7.4     Redirection timers
        8.8     Relay methods for non-circuit related signalling
                  8.8.1     Scope
                  8.8.2     Overview of relay functions
 9     End-to-end signalling
        9.1     Introduction
        9.2     Pass-along method (national use)
        9.3     SCCP method
                  9.3.1     Call reference (national use)
                  9.3.2     Coupling of connection sections
                  9.3.3     Connectionless service (national use)
                  9.3.4     Connection-oriented service
        9.4     Chaining of ISDN user part end-to-end signalling connections
        9.5     Use of the Protocol Control Indicator (PCI)
        9.6     Operation of the pass-along method (national use)
        9.7     Operation of the SCCP method – Connectionless services (national use)
                  9.7.1     Successful set-up of the ISDN user part end-to-end signalling connection
                  9.7.2     Unsuccessful set-up of a signalling connection
                  9.7.3     Abnormal situations
                  9.7.4     Release of a signalling connection
                  9.7.5     End-to-end message transfer
        9.8     Operation of the SCCP method – Connection-oriented service
                  9.8.1     Successful set-up of the ISDN user part end-to-end signalling connection
                  9.8.2     Unsuccessful set-up of the SCCP end-to-end connection
                  9.8.3     Unsuccessful set-up of the physical connection
                  9.8.4     Release of the ISDN User Part (ISUP) end-to-end signalling connection
                  9.8.5     End-to-end message transfer
        9.9     Interface elements between ISDN user part and SCCP (embedded transfer)
10     Layout of service Recommendations
11     List of supplementary services
12     Association of supplementary services to bearer services and teleservices
13     Definition of supplementary services
Appendix I – Contents of the interface elements between the ISDN user part and the SCCP
        I.1     Contents of the REQUEST type 1
        I.2     Contents of the REQUEST type 2
        I.3     Contents of the REPLY