CONTENTS

1      Scope 
2      References 
3      Definitions  
 4     Abbreviations   
 5     Requirements    
        5.1     IP served user generated reference 
        5.2     Called endpoint address transport  
        5.3     Performance          
        5.4     Symmetry of connection control     
        5.5     Connection configuration    
        5.6     Symmetry of information transfer capability 
        5.7     Essential features of the underlying signalling bearer 
        5.8     Flow control          
        5.9     Independence from underlying signalling bearer       
       5.10     Independence from the IP served user       
       5.11     Extent of control   
       5.12     Information transfer capability and QoS requirements        
       5.13     Contention resolution        
       5.14     Error reporting      
       5.15     Unrecoverable failures      
       5.16     Forward and backward compatibility        
       5.17     Parameters and values for IP connections  
       5.18     IP transfer capabilities       
      5.19      Served user transport information  
       5.20     Support of IP transport types        
       5.21     Connection resource modification  
       5.22     Priority service      
       5.23     Automatic congestion control        
6      Architecture of IP signalling          
7      IP signalling flows
        7.1     Successful IP connection establishment information flows    
        7.2     Unsuccessful IP connection establishment information flows
        7.3     IP connection release information flows      
        7.4     Successful IP connection resource modification information flows    
        7.5     Unsuccessful IP connection resource modification information flows