CONTENTS

 1     Scope          
 2     References
 3     Terms and definitions            
 4     Abbreviations           
 5     Conventions             
 6     DCM requirements  
        6.1     Distributed call and connection management operations procedures      
        6.2     Signalling controller resilience 
        6.3     DCM signal flow – Exception handling  
        6.4     Restoration    
 7     DCM attributes list  
        7.1     UNI attributes list        
        7.2     I-NNI attributes list     
        7.3     E-NNI attributes list    
        7.4     Interlayer attributes list             
 8     DCM message sets  
        8.1     Call messages
        8.2     Connection messages 
 9     Management of the call and connection controller function   
        9.1     Setting up a call and associated connections     
        9.2     Releasing a call and all associated connections 
        9.3     Modifying a call           
Appendix I – DCM state diagrams    
        I.1                 Call state            
        I.2          Connection state