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Content for TS 32.260 Word version: 18.3.0

1… 4… 4.2 4.3 4.4 5… 5.1.8… 5.2… 5.3… 6…

5.3 IMS online charging scenarios 5.3.1 Basic principles 5.3.2 Message flows and types 5.4 IMS converged charging scenarios 5.4.1 Basic scenario 5.4.2 CHF and charging service selection 5.4.3 Applicable triggers for IMS charging 5.4.4 CDR generation 5.4.5 Ga record transfer flows 5.4.6 Bi CDR file transfer

5.3 IMS online charging scenarios p. 108

5.3.1 Basic principles p. 108

5.3.2 Message flows and types p. 111

5.3.2.0 Introduction |R12| p. 111

5.3.2.1 Immediate Event Charging (IEC) p. 111

5.3.2.1.0 Introduction |R12| p. 111

5.3.2.1.1 Message flows - successful cases and scenarios p. 111

5.3.2.1.1.1 IEC - Debit Units operation p. 111

5.3.2.1.1.2 Scenarios p. 112

5.3.2.1.2 Message flows - error cases and scenarios p. 112

5.3.2.1.2.0 Introduction p. 112

5.3.2.1.2.1 Reception of SIP error messages p. 113

5.3.2.1.2.2 Debit Units operation failure p. 113

5.3.2.1.2.3 Duplicate detection p. 113

5.3.2.2 Event Charging with Unit Reservation (ECUR) and Session Charging with Unit Reservation (SCUR) p. 113

5.3.2.2.0 General |R12| p. 113

5.3.2.2.1 Message flows - successful cases and scenarios p. 113

5.3.2.2.1.1 ECUR and SCUR - Reserve / Debit Units operations p. 113

5.3.2.2.1.2 Expiration of reservation validity p. 113

5.3.2.2.1.3 Scenarios p. 113

5.3.2.2.1.3.0 Introduction p. 113

5.3.2.2.1.3.1 Session related procedures (SCUR) p. 114

5.3.2.2.1.3.2 Session unrelated procedures (ECUR) p. 124

5.3.2.2.2 Message flows - error cases and scenarios p. 126

5.3.2.2.2.0 Introduction p. 126

5.3.2.2.2.1 Reception of SIP error messages p. 126

5.3.2.2.2.2 Debit / Reserve Units operation failure p. 126

5.3.2.2.2.3 Duplicate detection p. 126

5.3.2.2.2.4 Aborted session setup p. 126

5.3.2.3 IMS service termination by OCS p. 126

5.3.2.3.0 Introduction |R12| p. 126

5.3.2.3.1 Triggers on Ro interface which imply the termination of the IMS service p. 126

5.3.2.3.2 Indication to the UE of the reason for IMS service release p. 127

5.4 IMS converged charging scenarios |R17| p. 127

5.4.1 Basic scenario p. 127

5.4.2 CHF and charging service selection p. 128

5.4.3 Applicable triggers for IMS charging p. 128

5.4.4 CDR generation p. 132

5.4.4.1 Introduction p. 132

5.4.4.2 Triggers for CHF CDR p. 132

5.4.4.2.1 General p. 132

5.4.4.2.2 Triggers for CHF CDR generation p. 132

5.4.4.2.3 Triggers for CHF CDR opening p. 133

5.4.4.2.4 Triggers for CHF CDR update p. 133

5.4.4.2.5 Triggers for CHF CDR closure p. 133

5.4.5 Ga record transfer flows p. 133

5.4.6 Bi CDR file transfer p. 133