1     General
 2    
Scope
 3    
Principles
 4    
Interworking configurations
        4.1     General interworking configuration
        4.2     Interworking configurations between ISDN and access networks
operating at bit rates of less than 64 kbit/s
 5    
Examples of applications
 6    
Interworking between B-ISDN and networks operating at bit rates of less
than 64 kbit/s
        6.1     Interworking principles
        6.2     Interworking configurations
                  6.2.1     Indirect interworking scenario
                  6.2.2     Direct interworking scenario
Annex A – Network interworking between an ISDN and an integrated digital
network at a basic rate of 32 kbit/s (IDN-32)
        A.1     General
        A.2     Scope
        A.3     Interworking configuration and network characteristics
                  A.3.1     Interworking configuration
                  A.3.2     Key IDN-32 and ISDN characteristics and
related interworking functions
                  A.3.3     Services suitable for IDN-32-ISDN
interworking
                  A.3.4     Connection types suitable for IDN-32-ISDN
interworking
                  A.3.5     Functional requirements for IDN-32-ISDN
interworking
                  A.3.6     Handling of non-voice calls between
IDN-32 and ISDN subscribers
Appendix A.1 – Integrated digital network at a basic rate of 32 kbit/s (IDN-32)
                  A.I.1     General
                  A.I.2     Scope
                  A.I.3     Principles
                  A.I.4     Access configuration
Annex B – Network interworking between an ISDN and a Digital Public Land Mobile
Network (D-PLMN)
        B.1     General
        B.2     Scope9
        B.3     Interworking configuration and network characteristics
                  B.3.1     Interworking configuration
                  B.3.2     Key D-PLMN and ISDN characteristics and
related interworking functions
                  B.3.3     Services suitable for D-PLMN-ISDN
interworking
                  B.3.4     Functional requirements for D-PLMN-ISDN
interworking
Appendix B.I – D-PLMN
                  B.I.1     General
                  B.I.2     Scope
                  B.I.3     Principles