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Content for TS 32.290 Word version: 19.0.0

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5.1 Offline charging scenario 5.2 Online charging scenario 5.3 Converged Charging scenario 5.4 Other functionalities 5.5 Error handling 6.1 NF service framework 6.2 Nchf_ConvergedCharging service 6.3 Nchf_SpendingLimitControl service 6.5 Nchf_OfflineOnlyCharging service

5 Charging function requirement p. 9

5.1 Offline charging scenario p. 9

5.1.1 Basic principles p. 9

5.1.2 Charging scenarios p. 9

5.1.2.1 Introduction p. 9

5.1.2.2 Scenarios p. 9

5.1.2.2.1 Event based charging p. 9

5.1.2.2.2 Session based charging p. 11

5.2 Online charging scenario p. 12

5.2.1 Basic principles p. 12

5.2.2 Charging scenarios p. 12

5.2.2.1 Introduction p. 12

5.2.2.2 Scenarios p. 13

5.2.3 Void

5.3 Converged Charging scenario p. 13

5.3.1 Basic principles p. 13

5.3.2 Charging scenarios p. 13

5.3.2.1 Introduction p. 13

5.3.2.2 Event based charging p. 13

5.3.2.3 Session based charging p. 14

5.3.2.5 Switch between quota managed and not quota managed |R16| p. 24

5.4 Other functionalities p. 25

5.4.1 Re-authorization p. 25

5.4.2 Threshold based re-authorization triggers p. 26

5.4.3 Termination action p. 26

5.4.4 Service termination p. 26

5.4.5 Trigger Mechanism p. 26

5.4.6 CHF-controlled quota management |R16| p. 27

5.4.7 Charging identifier |R17| p. 27

5.4.8 Quota management |R18| p. 27

5.4.8.1 General p. 27

5.4.8.2 Quota management for inter CHF p. 28

5.5 Error handling p. 28

5.5.1 Failure handling p. 28

5.5.1.1 CTF detected failure p. 28

5.5.1.2 CHF detected failure p. 28

5.5.1.3 CHF as NF Consumer detected failure |R18| p. 29

5.5.2 Retry handling p. 29

5.5.3 Response code handling p. 29

6 Service definition p. 30

6.1 NF service framework p. 30

6.2 Nchf_ConvergedCharging service p. 30

6.2.1 General p. 30

6.2.2 Nchf_ConvergedCharging_Create service operation p. 32

6.2.3 Nchf_ConvergedCharging_Update service operation p. 32

6.2.4 Nchf_ConvergedCharging_Release service operation p. 32

6.2.5 Nchf_ConvergedCharging_Notify service operation p. 33

6.3 Nchf_SpendingLimitControl service p. 33

6.3.1 Overview p. 33

6.4 Void

6.5 Nchf_OfflineOnlyCharging service |R16| p. 33

6.5.1 General p. 33

6.5.2 Nchf_OfflineOnlyCharging_Create service operation p. 34

6.5.3 Nchf_OfflineOnlyCharging_Update service operation p. 34

6.5.4 Nchf_OfflineOnlyCharging_Release service operation p. 34

7 Message contents p. 35

$ Change history p. 40