1 Scope
2
Terms and Definitions
3
General considerations
4
Principles for charging
4.1 General
4.2 Service provider charging
4.3 Visited network charging
4.4 Charges for calls To UPT users
4.5 Charges for calls made by a roamed UPT user
5
Principles for international traffic accounting
6
Billing and reimbursement
6.1 Outgoing calls made by a roamed UPT user
6.2 Outgoing calls made by a non-roamed UPT user
6.3 Calls to a roamed UPT user
7
Further study
Annex A
Annex B
Annex C