CONTENTS

 1     Preamble
 2     Scope
 3     References
 4     Terms and definitions
        4.1     Definitions
        4.2     Abbreviations and acronyms
 5     Units, elements, parameters and concepts for charging network utilization
        5.1     Charging units
        5.2     Charge elements
                  5.2.1     Connection set-up charge
                  5.2.2     Connection set-up attempt charge element
                  5.2.3     Connection modification charge element
                  5.2.4     Connection modification attempt charge element
                  5.2.5     Reservation based charge element
                  5.2.6     Usage based charge element
        5.3     Charging periods
        5.4     Connection characteristics that may affect the charge
        5.5     Viable combinations of charge elements
        5.6     Charging concepts related to ATM Protection Switching
                  5.6.1     Reservation charge element affected by ATM protection switching
                  5.6.2     Usage charge element affected by ATM protection switching
 6     Charging end-customers
        6.1     Network access component
        6.2     Network utilization component
 7     Accounting between Administrations
        7.1     Network access component
        7.2     Network utilization component
                  7.2.1     Assumptions
                  7.2.2     Aggregation within charge elements for accounting
                  7.2.3     Accounting parameters resulting from aggregation for network utilization
Appendix I – Examples of use of concepts and parameters defined in this Recommendation
        I.1     Chargeable Cell Rate (CCR)
        I.2     Examples of assigning a charge to a connection
                  I.2.1     Common assumptions
                  I.2.2     Example of charging a DBR connection
                  I.2.3     Example of charging an SBR1 connection
                  I.2.4     Example of charging an SBR2 connection