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Content for TS 32.256 Word version: 17.2.0

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4.1 High-level 5G System architecture 4.2 5G connection and mobility domain converged charging architecture 5.1 5G connection and mobility charging principles 5.2 5G connection and mobility converged online and offline charging scenarios

4 Architecture considerations p. 9

4.1 High-level 5G System architecture p. 9

4.1.1 Non-roaming reference architecture p. 9

4.1.2 Roaming reference architecture p. 10

4.2 5G connection and mobility domain converged charging architecture p. 11

4.2.1 Non-roaming p. 11

4.2.2 Roaming p. 12

5 5G connection and mobility charging principles and scenarios p. 13

5.1 5G connection and mobility charging principles p. 13

5.1.1 General p. 13

5.1.2 Requirements p. 13

5.1.3 CHF selection p. 13

5.1.4 UE Presence in Presence Reporting Area (PRA) p. 13

5.1.5 Roaming p. 14

5.1.5.1 General p. 14

5.1.5.2 CHF selection p. 14

5.2 5G connection and mobility converged online and offline charging scenarios p. 14

5.2.1 Basic principles p. 14

5.2.1.1 General p. 14

5.2.1.2 Applicable Triggers in the AMF p. 15

5.2.1.2.1 General p. 15

5.2.1.2.2 AMF Charging profile p. 16

5.2.1.2.3 Independent triggers activation p. 16

5.2.1.3 UE Presence in Presence Reporting Area (PRA) p. 17

5.2.1.4 NR REDCAP Charging |R17| p. 17

5.2.2 Message flows p. 17

5.2.2.1 General p. 17

5.2.2.2 Registration management charging from AMF p. 17

5.2.2.2.1 General p. 17

5.2.2.2.2 General Registration - PEC charging p. 18

5.2.2.2.3 General Registration - IEC p. 19

5.2.2.2.4 General Registration - ECUR p. 20

5.2.2.2.5 Registration with AMF re-allocation - PEC charging p. 22

5.2.2.2.6 Registration with AMF re-allocation - IEC p. 22

5.2.2.2.7 Registration with AMF re-allocation - ECUR p. 22

5.2.2.2.8 Deregistration - PEC charging p. 22

5.2.2.2.9 Registration - Untrusted non-3GPP access - PEC charging p. 24

5.2.2.2.10 Registration - Untrusted non-3GPP access - IEC p. 25

5.2.2.2.11 Registration - Untrusted non-3GPP access - ECUR p. 26

5.2.2.2.12 Registration for SMS over NAS - PEC charging p. 27

5.2.2.2.13 Registration for SMS over NAS - IEC p. 28

5.2.2.2.14 Registration for SMS over NAS - ECUR p. 29

5.2.2.2.15 Deregistration for SMS over NAS - PEC charging p. 30

5.2.2.3 Connection management charging from AMF p. 30

5.2.2.3.1 General p. 30

5.2.2.3.2 UE Triggered Service Request p. 31

5.2.2.3.3 Network Triggered Service Request p. 31

5.2.2.3.4 AN release p. 31

5.2.2.4 Location reporting charging p. 32

5.2.2.4.1 General p. 32

5.2.2.4.2 Location reporting p. 32

5.2.2.5 Roaming - Registration management charging from AMF p. 34

5.2.2.5.1 General p. 34

5.2.2.5.2 Registration - PEC to HPLMN p. 34

5.2.2.5.3 Registration - IEC to HPLMN p. 35

5.2.2.5.4 Registration - ECUR to HPLMN p. 37

5.2.2.5.5 Deregistration - PEC to HPLMN p. 39

5.2.3 CDR generation p. 40

5.2.3.1 Introduction p. 40

5.2.3.2 Triggers for CHF CDR p. 40

5.2.3.2.1 General p. 40

5.2.3.2.2 Triggers for CHF CDR generation p. 40

5.2.3.2.3 Triggers for CHF CDR opening p. 40

5.2.3.2.4 Triggers for CHF CDR closure p. 40

5.2.4 Ga record transfer flows p. 40

5.2.5 Bam CDR file transfer p. 40