CONTENTS

 1     Introduction
 2     General architecture of the B-ISDN
 3     Architectural aspects of the B-ISDN
        3.1     Low Layer capabilities
        3.2     High layer capabilities
 4     Location of functions in the B-ISDN
        4.1     Overall
        4.2     Partitioning of the overall B-ISDN connection
        4.3     Functional architecture models for the B-ISDN
Annex A
Annex B – Alphabetical list of abbreviations used in this Recommendation
Appendix I – Examples for functional architecture models for B-ISDN