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Content for TS 29.518 Word version: 19.3.0

1… 5… 6… 6.2… 6.3… 6.4… A…

5.1 Introduction 5.2 Namf_Communication Service 5.3 Namf_EventExposure Service 5.4 Namf_MT Service 5.5 Namf_Location Service 5.6 Namf_MBSBroadcast Service 5.7 Namf_MBSCommunication Service 5.8 Namf_AIoT Service
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5 Services offered by the AMF p. 21

5.1 Introduction p. 21

5.2 Namf_Communication Service p. 23

5.2.1 Service Description p. 23

5.2.2 Service Operations p. 23

5.2.2.1 Introduction p. 23

5.2.2.2 UE Context Operations p. 24

5.2.2.2.1 UEContextTransfer p. 24

5.2.2.2.1.1 General p. 24

5.2.2.2.1.2 Retrieve UE Context after successful UE authentication p. 27

5.2.2.2.2 RegistrationStatusUpdate p. 27

5.2.2.2.2.1 General p. 27

5.2.2.2.3 CreateUEContext p. 28

5.2.2.2.3.1 General p. 28

5.2.2.2.3.2 Create UE Context with AMF Relocation p. 31

5.2.2.2.4 ReleaseUEContext p. 32

5.2.2.2.4.1 General p. 32

5.2.2.2.5 RelocateUEContext |R16| p. 32

5.2.2.2.5.1 General p. 32

5.2.2.2.6 CancelRelocateUEContext |R16| p. 33

5.2.2.2.6.1 General p. 33

5.2.2.3 UE Specific N1N2 Message Operations p. 34

5.2.2.3.1 N1N2MessageTransfer p. 34

5.2.2.3.1.1 General p. 34

5.2.2.3.1.2 Detailed behaviour of the AMF p. 37

5.2.2.3.2 N1N2Transfer Failure Notification p. 39

5.2.2.3.3 N1N2MessageSubscribe p. 40

5.2.2.3.3.1 General p. 40

5.2.2.3.4 N1N2MessageUnSubscribe p. 41

5.2.2.3.4.1 General p. 41

5.2.2.3.5 N1MessageNotify p. 42

5.2.2.3.5.1 General p. 42

5.2.2.3.5.2 Using N1MessageNotify in the Registration with AMF Re-allocation Procedure p. 43

5.2.2.3.5.3 Using N1MessageNotify in the UE Assisted and UE Based Positioning Procedure p. 43

5.2.2.3.5.4 Using N1MessageNotify in the UE Configuration Update for transparent UE Policy delivery p. 43

5.2.2.3.5.5 Using N1MessageNotify in the LCS Event Report, Event Reporting in RRC INACTIVE state procedures, LCS Cancel Location and LCS Periodic-Triggered Invoke Procedures p. 44

5.2.2.3.5.6 Using N1MessageNotify in the UE triggered policy provisioning procedure to request UE policies p. 44

5.2.2.3.5.7 Using N1MessageNotify in the procedures applicable to a PRU p. 44

5.2.2.3.6 N2InfoNotify p. 45

5.2.2.3.6.1 General p. 45

5.2.2.3.6.2 Using N2InfoNotify during Inter NG-RAN node N2 based handover procedure p. 45

5.2.2.3.6.3 Using N2InfoNotify during Location Services procedures p. 47

5.2.2.3.6.4 Using N2InfoNotify during AMF planned removal procedure with UDSF deployed procedure p. 47

5.2.2.4 Non-UE N2 Message Operations p. 47

5.2.2.4.1 NonUeN2MessageTransfer p. 47

5.2.2.4.1.1 General p. 47

5.2.2.4.1.2 Obtaining Non UE Associated Network Assistance Data Procedure p. 48

5.2.2.4.1.3 Warning Request Transfer Procedure p. 48

5.2.2.4.1.4 Configuration Transfer Procedure p. 49

5.2.2.4.1.5 RIM Information Transfer Procedures p. 49

5.2.2.4.1.6 Broadcast of Assistance Data by an LMF p. 50

5.2.2.4.1.7 Management of network timing synchronization status monitoring procedures p. 50

5.2.2.4.2 NonUeN2InfoSubscribe p. 50

5.2.2.4.2.1 General p. 50

5.2.2.4.2.2 NonUeN2InfoSubscribe for N2 PWS Information p. 51

5.2.2.4.3 NonUeN2InfoUnSubscribe p. 51

5.2.2.4.3.1 General p. 51

5.2.2.4.4 NonUeN2InfoNotify p. 52

5.2.2.4.4.1 General p. 52

5.2.2.4.4.2 Using NonUeN2InfoNotify during Location Services procedures p. 53

5.2.2.4.4.3 Use of NonUeN2InfoNotify for PWS related events p. 53

5.2.2.4.4.4 Using NonUeN2InfoNotify during network timing synchronization status monitoring procedure p. 53

5.2.2.5 AMF Status Change Operations p. 54

5.2.2.5.1 AMFStatusChangeSubscribe p. 54

5.2.2.5.1.1 General p. 54

5.2.2.5.1.2 Creation of a subscription p. 54

5.2.2.5.1.3 Modification of a subscription p. 55

5.2.2.5.2 AMFStatusChangeUnSubscribe p. 55

5.2.2.5.2.1 General p. 55

5.2.2.5.3 AMFStatusChangeNotify p. 56

5.2.2.5.3.1 General p. 56

5.2.2.6 EBIAssignment p. 56

5.2.2.6.1 General p. 56

5.3 Namf_EventExposure Service p. 58

5.3.1 Service Description p. 58

5.3.1.1 General |R19| p. 58

5.3.1.3 Subscriptions targeting a specific UE |R19| p. 65

5.3.1.4 Bulk Subscriptions targeting a Group of UEs or Any UE |R19| p. 65

5.3.1.4.1 General p. 65

5.3.1.4.2 AMF Set level Bulk Subscription p. 66

5.3.2 Service Operations p. 67

5.3.2.1 Introduction p. 67

5.3.2.2 Subscribe p. 67

5.3.2.2.1 General p. 67

5.3.2.2.2 Creation of a subscription p. 67

5.3.2.2.3 Modification of a subscription p. 70

5.3.2.2.4 Remove or add group member UE(s) for a group subscription |R17| p. 71

5.3.2.3 Unsubscribe p. 72

5.3.2.3.1 General p. 72

5.3.2.4 Notify p. 73

5.3.2.4.1 General p. 73

5.3.2.4.2 Event Subscription Synchronization for specific UE |R16| p. 74

5.4 Namf_MT Service p. 74

5.4.1 Service Description p. 74

5.4.2 Service Operations p. 75

5.4.2.1 Introduction p. 75

5.4.2.2 EnableUEReachability p. 75

5.4.2.2.1 General p. 75

5.4.2.3 ProvideDomainSelectionInfo p. 77

5.4.2.3.1 General p. 77

5.4.2.4 EnableGroupReachability |R17| p. 78

5.4.2.4.1 General p. 78

5.4.2.5 UEReachabilityInfoNotify |R17| p. 79

5.4.2.5.1 General p. 79

5.5 Namf_Location Service p. 79

5.5.1 Service Description p. 79

5.5.2 Service Operations p. 80

5.5.2.1 Introduction p. 80

5.5.2.2 ProvidePositioningInfo p. 80

5.5.2.2.1 General p. 80

5.5.2.3 EventNotify p. 82

5.5.2.3.1 General p. 82

5.5.2.4 ProvideLocationInfo p. 83

5.5.2.4.1 General p. 83

5.5.2.5 CancelLocation |R16| p. 83

5.5.2.5.1 General p. 83

5.6 Namf_MBSBroadcast Service |R17| p. 84

5.6.1 Service Description p. 84

5.6.2 Service Operations p. 84

5.6.2.1 Introduction p. 84

5.6.2.2 ContextCreate p. 84

5.6.2.3 ContextUpdate p. 86

5.6.2.4 ContextRelease p. 87

5.6.2.5 ContextStatusNotify p. 88

5.7 Namf_MBSCommunication Service |R17| p. 90

5.7.1 Service Description p. 90

5.7.2 Service Operations p. 90

5.7.2.1 Introduction p. 90

5.7.2.2 N2MessageTransfer p. 90

5.7.2.3 Notify |R18| p. 91

5.8 Namf_AIoT Service |R19| p. 92

5.8.1 Service Description p. 92

5.8.2 Service Operations p. 92

5.8.2.1 Introduction p. 92

5.8.2.2 Namf_AIoT_MessageDelivery p. 93

5.8.2.3 Namf_AIoT_Notify p. 93