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Content for  TR 32.843  Word version:  13.0.0

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2  Referencesp. 8

3  Definitions, symbols and abbreviationsp. 10

4  Study Phase 1p. 11

4.1  Baseline Architecturesp. 11

4.2  Scenariosp. 14

4.2.1  Scenario A: IMS conversational video service over LTE - Roaming LBOp. 14

4.2.1.1  Descriptionp. 14

4.2.1.2  Message Flowp. 15

4.2.1.3  Key issues #1 and #3p. 26

4.2.1.4  Key issues #2 and #4p. 32

4.2.2  Scenario B: RCS File Transfer over LTE - Roaming LBOp. 32

4.2.3  Scenario C: Turn off data service in V-PLMN when subscribed usage threshold reachedp. 36

4.2.4  Scenario D: non-IMS service provided from AF in HPLMNp. 38

4.2.5  Scenario E: Initial Attach in roaming LBOp. 41

4.2.6  Scenario F: non-IMS service provided from AF in VPLMNp. 43

4.2.7  Scenario G: generic scenario without S9p. 45

4.2.8  Scenario H: 3GPP UE NSWO under Fixed Access in Mobile - Fixed Broadband Access Convergentp. 45

4.3  Solution for a dedicated Inter-PLMN PS Domain Online Charging profilep. 50

4.4  Inter-PLMN Diameter connection aspectsp. 70

4.4.1  Key issue # 5 user's Home OCS determinationp. 70

4.4.2  Key issue # 6 - AVP filteringp. 71

4.4.3  Key issue # 7 - Securityp. 72

4.4.4  Key issue # 8 - Topology Hidingp. 73

4.4.5  Key issue # 9 - Routingp. 73

4.5  Inter-Operator Chargingp. 74

4.6  Conclusion and recommendations for phase 1p. 75

5  Study Phase 2p. 76

5.1  Baseline Architecturesp. 76

5.2  Scenariosp. 77

5.3  Solution for a Dedicated Inter-PLMN PS Domain Online Charging profile in case of Gyn.p. 82

5.4  Inter-PLMN Diameter connection aspectsp. 83

5.5  Inter-Operator Chargingp. 85

5.6  Conclusion and recommendations for phase 2p. 86

$  Change Historyp. 88


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