CONTENTS

 1     Scope
 2     Normative references
 3     Abbreviations and acronyms
 4     Interworking description
        4.1     Messages and signalling
        4.2     ISUP-to-H.225 Ingress Interworking
        4.3     H.225-to-ISUP Egress Interworking
 5     H.225.0 Generic Data Usage
 6     Description of ASN.1 types and fields
Annex A - H.460.2 Message Syntax (ASN.1)
Appendix I - Number Portability within the United States
        I.1     Introduction
        I.2     Informative references
        I.3     Coding the RegionalParameters Sequence