Table of Contents

 1     Scope          
 2     References 
 3     Definitions 
        3.1     Terms defined elsewhere           
        3.2     Terms defined in this supplement            
 4     Abbreviations and acronyms
 5     Conventions             
 6     Overview of interworking between NGNs and legacy IP-based networks              
 7     Requirements for interworking between an NGN and a legacy IP-based network
        7.1     Support of end-to-end QoS        
        7.2     Support of mobility and accessibility     
        7.3     Support of security       
        7.4     Support of signalling, naming and addressing      
        7.5     Support of user and terminal profile information exchange            
Appendix I – An example of interworking between a legacy IP-based network and NGN    
Appendix II – Interworking function between NGN and legacy IP-based network    
Bibliography