Table of Contents

 1     Scope            
 2     References   
 3     Terms and definitions               
        3.1     Terms defined elsewhere
        3.2     Terms defined in this Recommendation     
 4     Abbreviations and acronyms  
 5     SS-CFU service description      
        5.1     Description        
        5.2     Activation/Deactivation/Interrogation/Registration 
        5.3     Invocation and operation              
 6     SS-CFB service description      
        6.1     Description        
        6.2     Activation/Deactivation/Interrogation/Registration 
        6.3     Invocation and operation              
 7     SS-CFNR service description   
        7.1     Description        
        7.2     Activation/Deactivation/Interrogation/Registration 
        7.3     Invocation and operation              
 8     SS-CD service description         
        8.1     Description        
        8.2     Activation/Deactivation/Registration/Interrogation 
        8.3     Invocation and operation              
 9     Messages, information elements, operations and procedures           
        9.1     Actions at the originating endpoint              
        9.2     Actions at a gatekeeper  
        9.3     Actions at the served endpoint      
        9.4     Actions at the rerouting endpoint 
        9.5     Actions at the diverted-to endpoint              
        9.6     Actions at the activating endpoint               
        9.7     Actions at the deactivating endpoint           
        9.8     Actions at the interrogating endpoint           
        9.9     Interactions       
10     Dynamic description of call diversion  
       10.1     Operational models and signalling flows   
       10.2     Communication between CDO (originating) signalling entity and CDO signalling entity user    
       10.3     Communication between CDS (served) signalling entity and CDS signalling entity user    
       10.4     Communication between CDF (diverted-to) signalling entity and CDF signalling entity user    
       10.5     Communication between CDR (rerouting) signalling entity and CDR signalling entity user    
       10.6     Communication between CDA (activating) signalling entity and CDA signalling entity user    
       10.7     Communication between CDD (deactivating) signalling entity and CDD signalling entity user    
       10.8     Communication between CDI (interrogating) signalling entity and CDI signalling entity user    
       10.9     Peer-to-Peer communication for call diversion         
11     Operations in support of call diversion supplementary service        
12     Specification and description language (SDL) diagrams  
       12.1     Call diversion block diagram       
       12.2     Call diversion substructure diagram           
       12.3     Call diversion activating endpoint (CDA) SDLs       
       12.4     Call diversion deactivating endpoint (CDD) SDLs   
       12.5     Call diversion interrogating (CDI) SDLs     
       12.6     Call diversion originating endpoint (CDO) SDLs      
       12.7     Call diversion rerouting endpoint (CDR) SDLs         
       12.8     Call diversion served endpoint (CDS) SDLs              
       12.9     Call diversion diverted-to endpoint (CDF) SDLs