1     Introduction      
 2     Scope 
 3     References 
 4     Definitions  
 5     Abbreviations   
 6     International E.164-number structure        
        6.1     International E.164-number length  
        6.2     Structure of the international E.164-number
        6.3     Assignment of Country Codes (CCs)         
        6.4     Assignment of Identification Codes, Group Identification Codes and Trial Identification Codes    
 7     International E.164-number for geographic areas  
        7.1     Country Code for geographic areas
        7.2     National (significant) number          
        7.3     Prefixes  
        7.4     National numbering plan     
        7.5     Digit analysis          
 8     International E.164-number for global services     
        8.1     Country Code for global services   
        8.2     Global Subscriber Number
        8.3     Digit analysis          
        8.4     Evolution path to an international E.164-number for global services 
 9     International E.164-number for Networks
        9.1     Country Code for Networks          
        9.2     Identification Code
        9.3     Subscriber Numbers          
        9.4     Digit analysis          
10     International E.164-Number for Groups of Countries      
       10.1     Country Code for Groups of Countries     
       10.2     Group Identification Code 
       10.3     Subscriber Numbers         
       10.4     Digit analysis         
11     International E.164-numbering resources for Trials          
12     International prefix          
13     Recommendation history 
Annex A – Clarification and explanation of the structure and  function of international E.164-numbers    
        A.1     Scope    
        A.2     Structure
        A.3     Number length      
        A.4     Unique identification of international E.164-number for geographic areas    
        A.5     Unique identification of international E.164-number for global services        
        A.6     Unique identification of international E.164-number for Networks  
        A.7     Unique identification of international E.164-number for Groups of Countries           
        A.8     Non-E.164 numbers         
Annex B – Application of international E.164-numbers for ISDN    
        B.1     Scope    
        B.2     ISDN numbers      
        B.3     Addressing
        B.4     Dialling procedures
        B.5     Network identification       
        B.6     Service parameters
        B.7     Calling/connected line identity