ETR 055-03 : DEC 92
Current
The latest, up-to-date edition.
UNIVERSAL PERSONAL TELECOMMUNICATION (UPT); THE SERVICE CONCEPT PART 3: SERVICE ASPECTS OF CHARGING, BILLING AND ACCOUNTING
12-01-2013
Foreword
1 Scope
2 Charging and billing principles
2.1 Charging
2.2 Billing
3 Accounting and operational aspects
3.1 General requirements
3.2 Transfer of charging information between operators
3.3 International accounting
History
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