CONTENTS

 1     Scope 
 2     References 
 3     Definitions  
 4     Abbreviations   
 5     Requirements    
        5.1     Priority Service      
        5.2     Automatic congestion control         
       5.3      Temporary alternative routing         
        5.4     Hop counter procedure      
        5.5     Support of originating service endpoint addresses   
        5.6     AAL type 2 transfer capabilities     
        5.7     SSCS support       
        5.8     CS-3 to CS-1/CS-2 interworking  
 6     Architecture of AAL type 2 signalling       
 7     AAL type 2 Signalling Flows        
        7.1     Successful AAL type 2 connection establishment information flows 
        7.2     Unsuccessful AAL type 2 connection establishment information flows         
        7.3     AAL type 2 connection release information flows   
        7.4     Successful AAL type 2 connection resource modification information flows 
        7.5     Unsuccessful AAL type 2 connection resource modification information flows