CONTENTS

 1     Introduction
 2     Scope
 3     Communication scenarios
 4     Interworking configurations
        4.1     Concatenation of 64 kbit/s based ISDNs via B-ISDN
        4.2     Concatenation of B-ISDNs via 64 kbit/s based ISDN
        4.3     B-ISDN to 64 kbit/s based ISDN interconnection
        4.4     Decomposition of 64 kbit/s based ISDN into component parts
 5     Relationship of connections between 64 kbit/s based ISDN and B-ISDN
 6     Interworking functional requirements
        6.1     Interworking functional requirements for 64 kbit/s based ISDN services
 7     Emulation of 64 kbit/s based ISDN network components
Annex A – Interworking scenarios to provide 64 kbit/s based ISDN services to a B-ISDN user
        A.1     Scenario A
        A.2     Scenario B
Annex B – Comparison of Broadband Connection Oriented and 64 kbit/s based ISDN bearer services
Annex C – OAM information mapping for interworking B-ISDN and 64 kbit/s based ISDN
        C.1     Interworking scenarios
        C.2     Possible OAM information mapping
Appendix I – Access to specific B-ISDN services from a 64 kbit/s based ISDN
        I.1     Access to BCDBS from 64 kbit/s based ISDNs
        I.2     Access to other specific B-ISDN services from 64 kbit/s based ISDN
        I.3     QOS experienced by the 64 kbit/s based ISDN user