CONTENTS

 0     Introduction
 1     Scope and field of application
 2     References
 3     Definitions
 4     Abbreviations
 5     General aspects of call control
 6     Arrangements for internal network utilities
        6.1     Network identification
                  6.1.1       General
                  6.1.2       Originating network identification
                  6.1.3       Destination network identification
                  6.1.4       Transit network identification
                  6.1.5       Clearing network identification
        6.2     Call identifier
        6.3     Target quality of service parameters
        6.4     Tariffs
        6.5     Network user identification