Table of Contents

 1     Scope            
 2     References   
 3     Abbreviations and acronyms  
 4     Interworking description           
        4.1     Messages and signalling 
        4.2     ISUP-to-H.225 ingress interworking             
        4.3     ITU-T H.225-to-ISUP egress interworking  
 5     ITU-T H.225.0 generic data usage         
 6     Description of ASN.1 types and fields   
Annex A – ITU-T H.460.2 message syntax (ASN.1)    
Appendix I – Number portability within the United States    
        I.1     Introduction      
        I.2     Coding the RegionalParameters Sequence  
Bibliography