CONTENTS

       M3.1     Scope  
       M3.2     Normative references      
       M3.3     Endpoint procedures       
       M3.4     Tunnelling of bearer-independent DSS1 signalling 
                  M3.4.1     DSS1 connectionless transport  
                  M3.4.2     DSS1 bearer-independent connection-oriented transport           
       M3.5     Gatekeeper procedures