Table of Contents

 1     Scope          
 2     References
 3     Definitions 
        3.1     Terms defined elsewhere        
        3.2     Terms defined in this Supplement       
 4     Abbreviations and acroynms             
 5     ITU-T E.164 number structures         
        5.1     International public telecommunication number for geographic areas 
        5.2     International public telecommunication number for global services      
        5.3     International public telecommunication number for networks
 6     Number portability types for national ITU-T E.164 numbers
 7     Generic implementation of number portability         
 8     Entities addressed by routing            
 9     Number portability mechanisms      
        9.1     Assumptions  
        9.2     General description    
10     Types of addresses and numbers – within networks and across network boundaries            
       10.1     Concatenated address             
       10.2     Separated addresses
       10.3     RN only sent between networks         
       10.4     DN only (normally across network boundaries)             
11     Combinations of addressing types, addressed entities and mechanisms: general signalling requirements    
12     Examples of locations of OpDBs and CRDBs for number portability 
       12.1     General description   
       12.2     Examples of a number portability database solution   
13     Administrative processes