The table below maps the service-based operations of the 5G Core Network to reference points, service consumers, and the Stage 3 specifications governing the services. You can sort the table by clicking on any column header. Also, you can filter the content by entering any text into the Search field.
Specification version: June 2021. Please report any errors to DS-Support@mobileum.com.
Notes:
(1) A BSF may be standalone or collocated with PCF, UDR, NRF, or SMF. No reference point is
assigned.
(2) No reference point has been assigned.
| Producer | Service | Operations | Ref Point | Consumers | API Spec |
|---|---|---|---|---|---|
| 5G-EIR | N5g-eir_EquipmentIdentityCheck | CheckEquipmentIdentity | N17 | AMF | TS 29.511 |
| AAnF | Naanf_AKMA | AnchorKey_Register | N61 | AUSF | TS 29.535 |
| AAnF | Naanf_AKMA | ApplicationKey_Get | N62 | AF | TS 29.535 |
| AAnF | Naanf_AKMA | ApplicationKey_Get | N63 | NEF | TS 29.535 |
| AF | Naf_EventExposure | Subscribe, Unsubscribe, Notify | N33 | NEF | TS 29.517 |
| AF | Naf_EventExposure | Subscribe, Unsubscribe, Notify | (2) | NWDAF | TS 29.517 |
| AF | M1_ConsumptionReportingProvisioning | Activate, Update, Deactivate | M1 | 5GMS Application Provider | TS 26.512 |
| AF | M1_ContentHostingProvisioning | Create, Read, Update, Destroy | M1 | 5GMS Application Provider | TS 26.512 |
| AF | M1_ContentPreparationTemplatesProvisioning | Create, Read, Update, Destroy | M1 | 5GMS Application Provider | TS 26.512 |
| AF | M1_ContentProtocolsDiscovery | Read | M1 | 5GMS Application Provider | TS 26.512 |
| AF | M1_MetricsReportingProvisioning | Create, Read, Update, Destroy | M1 | 5GMS Application Provider | TS 26.512 |
| AF | M1_PolicyTemplatesProvisioning | Create, Read, Update, Destroy | M1 | 5GMS Application Provider | TS 26.512 |
| AF | M1_ProvisioningSessions | Create, Read, Destroy | M1 | 5GMS Application Provider | TS 26.512 |
| AF | M1_ServerCertificatesProvisioning | Create, Reserve, Retrieve, Upload, Update, Destroy | M1 | 5GMS Application Provider | TS 26.512 |
| 5GMSd Client | M5_ConsumptionReporting | Submit | M5 | AF | TS 26.512 |
| 5GMS Client | M5_DynamicPolicies | Create, Read, Update, Destroy | M5 | AF | TS 26.512 |
| 5GMS Client | M5_MetricsReporting | Submit | M5 | AF | TS 26.512 |
| 5GMS Client | M5_NetworkAssistance | Create, Read, Update, Destroy, RequestBitRateRecommendation, RequestDeliveryBoost | M5 | AF | TS 26.512 |
| 5GMS Client | M5_ServiceAccessInformation | Read | M5 | AF | TS 26.512 |
| AMF | Namf_Communication | UEContextTransfer, RegistrationStatusUpdate, CreateUEContext, ReleaseUEContext, RelocateUEContext, CancelRelocateUEContext, N1MessageNotify, N2InfoNotify, N1N2MessageTransfer, NonUeN2MessageTransfer | N14 | AMF | TS 29.518 |
| AMF | Namf_Communication | N1N2MessageTransfer, N1N2TransferFailureNotification, AMFStatusChangeSubscribe, AMFStatusChangeUnSubscribe, AMFStatusChangeNotify | N20 | SMSF | TS 29.518 |
| AMF | Namf_Communication | N1N2MessageSubscribe, N1N2MessageUnsubscribe, N1MessageNotify, N1N2MessageTransfer, N1N2TransferFailureNotification, AMFStatusChangeSubscribe, AMFStatusChangeUnSubscribe, AMFStatusChangeNotify | N15 | PCF | TS 29.518 |
| AMF | Namf_Communication | N1MessageNotify, N2InfoNotify, N1N2MessageTransfer, N1N2TransferFailureNotification, NonUeN2MessageTransfer, NonUeN2InfoNotify | NL1 | LMF | TS 29.51 |
| AMF | Namf_Communication | N1N2MessageTransfer, N1N2TransferFailureNotification, EBIAssignment, AMFStatusChangeSubscribe, AMFStatusChangeUnSubscribe, AMFStatusChangeNotify | N11 | SMF | TS 29.518 |
| AMF | Namf_Communication | NonUeN2InfoSubscribe, NonUeN2INfoUnsubscribe, NonUeN2MessageTransfer, NonUeN2InfoNotify | N50 | CBCF/PWS-IWF | TS 29.518 |
| AMF | Namf_Communication | AMFStatusChangeSubscribe, AMFStatusChangeUnSubscribe, AMFStatusChangeNotify | N51 | NEF | TS 29.518 |
| AMF | Namf_Communication | AMFStatusChangeSubscribe, AMFStatusChangeUnSubscribe, AMFStatusChangeNotify | N8 | UDM | TS 29.518 |
| AMF | Namf_EventExposure | Subscribe, UnSubscribe, Notify | N51 | NEF | TS 29.518 |
| AMF | Namf_EventExposure | Subscribe, UnSubscribe, Notify | N11 | SMF | TS 29.518 |
| AMF | Namf_EventExposure | Subscribe, UnSubscribe, Notify | N8 | UDM | TS 29.518 |
| AMF | Namf_EventExposure | Subscribe, UnSubscribe, Notify | (2) | NWDAF | TS 29.518 |
| AMF | Namf_EventExposure | Subscribe, UnSubscribe, Notify | NLs | LMF | TS 29.518 |
| AMF | Namf_EventExposure | Subscribe, UnSubscribe, Notify | NLg | GMLC | TS 29.518 |
| AMF | Namf_Location | ProvidePositioningInfo, EventNotify, CancelLocation | NLg | GMLC | TS 29.518 |
| AMF | Namf_Location | ProvideLocationInfo | N8 | UDM | TS 29.518 |
| AMF | Namf_MT | EnableUEReachability | N20 | SMSF | TS 29.518 |
| AMF | Namf_MT | EnableUEReachability | N11 | SMF | TS 29.518 |
| AMF | Namf_MT | ProvideDomainSelectionInfo | N8 | UDM | TS 29.518 |
| AUSF | Nausf_SoRProtection | Protect | N13 | UDM | TS 29.509 |
| AUSF | Nausf_UEAuthentication | Authenticate | N12 | AMF | TS 29.509 |
| AUSF | Nausf_UEAuthentication | Deregister | N13 | UDM | TS 29.509 |
| AUSF | Nausf_UPUProtection | Protect | N13 | UDM | TS 29.509 |
| BSF | Nbsf_management | Register, Deregister, Update | (1) | PCF | TS 29.521 |
| BSF | Nbsf_management | Discovery | (1) | NEF, AF, NWDAF | TS 29.521 |
| CHF | Nchf_ConvergedCharging | Create, Update, Release, Notify | N40 | SMF | TS 32.291 |
| CHF | Nchf_ConvergedCharging | Create, Update, Release, Notify | (2) | PGW-C+SMF | TS 32.291 |
| CHF | Nchf_ConvergedCharging | Create, Update, Release, Notify | (2) | SMSF, AMF, NEF, CEF, MnS Producer | TS 32.291 |
| CHF | Nchf_OfflineOnlyCharging | Create, Update, Release | N40 | SMF | TS 32.291 |
| CHF | Nchf_SpendingLimitControl | Subscribe, Unsubscribe, Notify | N28 | PCF | TS 29.594 |
| GMLC | Ngmlc_Location | ProvideLocation, LocationUpdateSubscribe, LocationUpdateNotify, CancelLocation, EventNotify | NL5 | NEF | TS 29.515 |
| GMLC | Ngmlc_Location | ProvideLocation, LocationUpdate, CancelLocation, EventNotify | NL3 | GMLC | TS 29.515 |
| GMLC | Ngmlc_Location | LocationUpdate | NL2 | AMF | TS 29.515 |
| HSS | Nhss_imsSubscriberDataManagement | Get | (2) | S-CSCF, I-CSCF, AS, IMS-AS, CSS-AS | TS 29.562 |
| HSS | Nhss_imsSubscriberDataManagement | Update | (2) | IMS-AS | TS 29.562 |
| HSS | Nhss_imsSubscriberDataManagement | Subscribe, Unsubscribe, ModifySubscription, Notification, Update | (2) | S-CSCF, IP-SM-GW | TS 29.562 |
| HSS | Nhss_imsUEAuthentication | Get | (2) | S-CSCF | TS 29.562 |
| HSS | Nhss_imsUEContextManagement | Registration, DeregistrationNotification, Deregistration, Update, RestorationInfoGet, RestorationInfoUpdate, RestorationInfoDelete | (2) | S-CSCF | TS 29.562 |
| HSS | Nhss_imsUEContextManagement | Authorize | (2) | I-CSCF | TS 29.562 |
| HSS | Nhss_EventExposure | Subscribe, Unsubscribe, Notify, ModifySubscription | (2) | UDM | TS 29.563 |
| HSS | Nhss_SubscriberDataManagement | Get, Subscribe, Unsubscribe, Notification | (2) | UDM | TS 29.563 |
| HSS | Nhss_UEAuthentication | Get | (2) | UDM | TS 29.563 |
| HSS | Nhss_UEContextManagement | SnDeregistration, ImeiUpdate | (2) | UDM | TS 29.563 |
| LMF | Nlmf_Location | DetermineLocation, CancelLocation | NL1 | AMF | TS 29.572 |
| LMF | Nlmf_Location | EventNotify | (2) | GMLC | TS 29.572 |
| LMF | Nlmf_Location | LocationContextTransfer | NL7 | LMF | TS 29.572 |
| LMF | Nlmf_Broadcast | CipheringKeyData | NL1 | AMF | TS 29.572 |
| NEF | Nnef_5GLANParameterProvision | Create, Update, Delete | N33 | AF | TS 29.522 |
| NEF | Nnef_AmPolicyAuthorization | Create, Modify, Delete, Subscribe, Unsubscribe, Notify | N33 | AF | TS 29.522 |
| NEF | Nnef_AnalyticsExposure | Subscribe, Update, Unsubscribe, Notify, Fetch | N33 | AF | TS 29.522 |
| NEF | Nnef_ACSParameterProvision | Create, Update, Delete | N33 | AF | TS 29.522 |
| NEF | Nnef_AKMA | Retrieve | N33 | AF | TS 29.522 |
| NEF | Nnef_ApplyingBdtPolicy | Create, Update, Delete | N33 | AF | TS 29.522 |
| NEF | 3gpp-as-session-with-qos | Create, Update, Delete, Notify | N33 | AF | TS 29.522 |
| NEF | 3gpp-chargeable-party | Create, Update, Delete, Notify | N33 | AF | TS 29.522 |
| NEF | 3gpp-cp-parameter-provisioning | Create, Update, Delete | N33 | AF | TS 29.522 |
| NEF | 3gpp-device-triggering | Create, Replace, Recall | N33 | AF | TS 29.522 |
| NEF | 3gpp-ecr-control | Query, Configure | N33 | AF | TS 29.522 |
| NEF | 3gpp-monitoring-event | Subscribe, Unsubscribe, Report | N33 | AF | TS 29.522 |
| NEF | 3gpp-msisdn-less-mo-sms | Notify | N33 | AF | TS 29.522 |
| NEF | 3gpp-network-parameter-configuration | Create, Update, Delete, Notify | N33 | AF | TS 29.522 |
| NEF | 3gpp-nidd | Create/Update/Delete Configuration, Deliver Downlink Data, Notify, Authorization Update, Reserve Port, Release Port | N33 | AF | TS 29.522 |
| NEF | 3gpp-racs-pp | Create, Update, Delete | N33 | AF | TS 29.522 |
| NEF | Nnef_TimeSyncExposure | Fetch, Provision, Update, Delete | N33 | AF | TS 29.522 |
| NEF | Nnef_ECSAddressProvision | Create, Update, Delete | N33 | AF | TS 29.522 |
| NEF | Nnef_EventExposure | Subscribe, Unsubscribe, Notify | (2) | NWDAF | TS 29.591 |
| NEF | Nnef_IPTVConfiguration | Create, Update, Delete | N33 | AF | TS 29.522 |
| NEF | Nnef_LpiParameterProvision | Create, Update, Delete | N33 | AF | TS 29.522 |
| NEF | Nnef_MoLcsNotify | Notify | N33 | AF | TS 29.522 |
| NEF | Nnef_MonitoringEvent | Subscribe, Unsubscribe, Notify | N33 | AF | TS 29.522 |
| NEF | Nnef_NIDDConfigurationTrigger | Trigger | N33 | AF | TS 29.522 |
| NEF | Nnef_PFDManagement | Fetch, Subscribe Notify, Unsubscribe | N29 | SMF | TS 29.551 |
| NEF | Nnef_ResourceManagementOfBdt | Create, Update, Delete | N33 | AF | TS 29.522 |
| NEF | Nnef_ServiceParameter | Create, Update, Delete | N33 | AF | TS 29.522 |
| NEF | Nnef_TrafficInfluence | Create, Update, Delete, Notify | N33 | AF | TS 29.522 |
| NEF | Nnef_SMContext | Create, Delete, Status Notify, Update, Delivery | N29 | SMF | TS 29.541 |
| NRF | Nnrf_NFDiscovery | NFDiscover | (2) | Core service consumers | TS 29.510 |
| NRF | Nnrf_NFDiscovery | SCPDomainRoutingInfoGet, SCPDomainRoutingInfoSubscribe, SCPDomainRoutingInfoNotify, SCPDomainRoutingInfoUnSubscribe | (2) | NRF, SCP | TS 29.510 |
| NRF | Nnrf_NFManagement | NFRegister, NFUpdate, NFDeregister | (2) | Core service producers | TS 29.510 |
| NRF | Nnrf_NFManagement | NFStatusSubscribe, NFStatusNotify, NFStatusUnSubscribe, NFListRetrieval, NFProfileRetrieval | (2) | Core service consumers | TS 29.510 |
| NRF | Nnrf_AccessToken | Get | (2) | NF service consumers | TS 29.510 |
| NRF | NnrfBootstrapping | Get | (2) | NF service consumers | TS 29.510 |
| NSSAAF | Nnssaaf_NSSAA | Authenticate, Re-Authentication Notification, Revocation Notification | N58 | AMF | TS 29.526 |
| NSSF | Nnssf_NSSAIAvailability | Update, Subscribe, Unsubscribe, Notify, Delete, Options | N22 | AMF | TS 29.531 |
| NSSF | Nnssf_NSSelection | Get | N22 | AMF | TS 29.531 |
| NSSF | Nnssf_NSSelection | Get | N31 | NSSF | TS 29.531 |
| NWDAF | Nnwdaf_AnalyticsInfo | Request | N23 | PCF | TS 29.520 |
| NWDAF | Nnwdaf_AnalyticsInfo | Request | N34 | NSSF | TS 29.520 |
| NWDAF | Nnwdaf_AnalyticsInfo | Request | (2) | AMF, SMF, NEF, UDM, AF, OAM, NWDAF | TS 29.520 |
| NWDAF | Nnwdaf_DataManagement | Subscribe, Unsubscribe, Notify, Fetch | (2) | NWDAF, DCCF, MFAF | TS 29.520 |
| NWDAF | Nnwdaf_MLModelProvision | Subscribe, Unsubscribe, Notify, Fetch | (2) | NWDAF | TS 29.520 |
| NWDAF | Nnwdaf_EventsSubscription | Subscribe, UnSubscribe, Notify | N23 | PCF | TS 29.520 |
| NWDAF | Nnwdaf_EventsSubscription | Subscribe, UnSubscribe, Notify | N34 | NSSF | TS 29.520 |
| NWDAF | Nnwdaf_EventsSubscription | Subscribe, UnSubscribe, Notify | (2) | AMF, SMF, NEF, UDM, AF, OAM, CEF, NWDAF | TS 29.520 |
| PCF | Npcf_AMPolicyAuthorization | Create, Update, Delete, Subscribe, Unsubscribe, Notify | N5 | AF/NEF | TS 29.534 |
| PCF, V-PCF | Npcf_AMPolicyControl | Create, Update, UpdateNotify, Delete | N15 | AMF | TS 29.507 |
| PCF | Npcf_BDTPolicyControl | Create, Update, Notify | N30 | NEF | TS 29.554 |
| PCF | Npcf_EventExposure | Subscribe, Unsubscribe, Notify | N23 | NWDAF | TS 29.523 |
| PCF | Npcf_EventExposure | Subscribe, Unsubscribe, Notify | N30 | NEF | TS 29.523 |
| PCF | Npcf_PolicyAuthorization | Create, Update, Delete, Notify, Subscribe, Unsubscribe | N5 | AF/NEF | TS 29.514 |
| PCF (PDU Session) | Npcf_PolicyAuthorization | Notify, Subscribe, Unsubscribe | N43 | PCF (UE) | TS 29.514 |
| PCF | Npcf_SMPolicyControl | Create, UpdateNotify, Update, Delete | N7 | SMF | TS 29.512 |
| PCF | Npcf_UEPolicyControl | Create, Update, UpdateNotify, Delete | N15 | AMF | TS 29.525 |
| PCF | Npcf_UEPolicyControl | Create, Update, UpdateNotify, Delete | N24 | V-PCF | TS 29.525 |
| SEAL Server | SS_LocationReporting | Create_Trigger_Location_Reporting, Fetch_Location_Report_Trigger, Update_Trigger_Location_Reporting, Cancel_Trigger_Location_Reporting | LM-S | VAL Server | TS 29.549 |
| SEAL Server | SS_GroupManagement | Query_Group_Info, Update_Group_Info, Create_Group, Delete_Group | GM-S | VAL Server | TS 29.549 |
| SEAL Server | SS_UserProfileRetrieval | Obtain_User_Profile | CM-S | VAL Server | TS 29.549 |
| SEAL Server | SS_NetworkResourceAdaptation | Reserve_Network_Resource, Request_Unicast_Resource, Update_Unicast_Resource, Request_Multicast_Resource, Notify_UP_Delivery_Mode | NRM-S | VAL Server | TS 29.549 |
| SEAL Server | SS_Events | Subscribe_Event, Notify_Event, Unsubscribe_Event | LM-S, GM-S, CM-S | VAL Server | TS 29.549 |
| SEAL Server | SS_KeyInfoRetrieval | Obtain_Key_Info | KM-S | VAL Server | TS 29.549 |
| SEPP | N32f-Forward | Process | N32 | SEPP | TS 29.573 |
| SEPP | N32c-Handshake | SecurityCapabilityNegotiation, ParameterExchange, N32fContextTermination, N32fErrorReporting | N32 | SEPP | TS 29.573 |
| SEPP | Nsepp_Telescopic_FQDN_Mapping | Mapping | (2) | NF service consumers | TS 29.573 |
| SMF | Nsmf_EventExposure | Subscribe, UnSubscribe, Notify, AppRelocationInfo | N11 | AMF | TS 29.508 |
| SMF | Nsmf_EventExposure | Subscribe, UnSubscribe, Notify, AppRelocationInfo | N29 | NEF | TS 29.508 |
| SMF | Nsmf_EventExposure | Subscribe, UnSubscribe, Notify, AppRelocationInfo | (2) | AF, UDM, NWDAF | TS 29.508 |
| SMF | Nsmf_NIDD | Delivery | N29 | NEF | TS 29.542 |
| H-SMF, V-SMF | Nsmf_PDUSession | Create, Update, Release, StatusNotify, ContextRequest, MessageTransfer | N16 | V-SMF, H-SMF | TS 29.502 |
| SMF, I-SMF | Nsmf_PDUSession | Create, Update, Release, StatusNotify, UpdateSmContext, MessageTransfer | N16a | I-SMF, SMF | TS 29.502 |
| I-SMF | Nsmf_PDUSession | ContextRequest | N38 | I-SMF | TS 29.502 |
| V-SMF | Nsmf_PDUSession | ContextRequest | N38 | V-SMF | TS 29.502 |
| SMF, V-SMF, I-SMF | Nsmf_PDUSession | CreateSMContext, UpdateSMContext, ReleaseSMContext, SMContextStatusNotify, ContextRequest, SendMoData | N11 | AMF | TS 29.502 |
| SMSF | Nsmsf_SMService | Activate, Deactivate, UplinkSMS | N20 | AMF | TS 29.540 |
| SOR-AF | Nsoraf_SteeringOfRoaming | Get, Info | (2) | UDM | TS.29550 |
| SP-AF | Nspaf_SecuredPacket | Provide | (2) | UDM, SOR-AF | TS 29.544 |
| UCMF | Nucmf_UECapabilityManagement | Resolve, Assign, Subscribe, Unsubscribe, Notify | N55 | AMF | TS 29.673 |
| UCMF | Nucmf_UECapabilityManagement | Resolve, Assign, Subscribe, Unsubscribe, Notify | (2) | MME | TS 29.673 |
| UCMF | Nucmf_Provisioning | Create, Update, Delete | N56 | NEF | TS 29.675 |
| UCMF | Nucmf_Provisioning | Create, Update, Delete | N57 | AF | TS 29.675 |
| UDM | Nudm_EventExposure | Subscribe, Unsubscribe, Notify, ModifySubscription | N52 | NEF | TS 29.503 |
| UDM | Nudm_ParameterProvision | Create, Update, Delete, Get | N52 | NEF | TS 29.503 |
| UDM | Nudm_ParameterProvision | Update | N8 | AMF | TS 29.503 |
| UDM | Nudm_ParameterProvision | Update | (2) | SOR-AF | TS 29.503 |
| UDM | Nudm_SubscriberDataManagement | Get, Subscribe, ModifySubscription, Unsubscribe, Notification | N8 | AMF | TS 29.503 |
| UDM | Nudm_SubscriberDataManagement | Get, Subscribe, ModifySubscription, Unsubscribe, Notification | N10 | SMF | TS 29.503 |
| UDM | Nudm_SubscriberDataManagement | Get, Subscribe, ModifySubscription, Unsubscribe, Notification | N21 | SMSF | TS 29.503 |
| UDM | Nudm_SubscriberDataManagement | Get, Subscribe, ModifySubscription, Unsubscribe, Notification | N52 | NEF | TS 29.503 |
| UDM | Nudm_SubscriberDataManagement | Get, Subscribe, ModifySubscription, Unsubscribe, Notification | NL6 | GMLC | TS 29.503 |
| UDM | Nudm_SubscriberDataManagement | Get, Subscribe, ModifySubscription, Unsubscribe, Notification | (2) | HSS | TS 29.503 |
| UDM | Nudm_SubscriberDataManagement | Get, Subscribe, ModifySubscription, Unsubscribe, Notification | Npc4 | 5G DDNMF | TS 29.503 |
| UDM | Nudm_SubscriberDataManagement | Info | N8 | AMF | TS 29.503 |
| UDM | Nudm_MT | ProvideUeInfo, ProvideLocationInfo | (2) | HSS | TS 29.503 |
| UDM | Nudm_NIDDAuthorization | Get, Notification | N52 | NEF | TS 29.503 |
| UDM | Nudm_UEAuthentication | Get, ResultConfirmation | N13 | AUSF | TS 29.503 |
| UDM | Nudm_UEAuthentication | GetHssAv | (2) | HSS | TS 29.503 |
| UDM | Nudm_UEContextManagement | Registration, Deregistration, DeregistrationNotification, Get, Update | N8 | AMF | TS 29.503 |
| UDM | Nudm_UEContextManagement | Registration, Deregistration, Update | N10 | SMF | TS 29.503 |
| UDM | Nudm_UEContextManagement | Registration/Deregistration | N21 | SMSF | TS 29.503 |
| UDM | Nudm_UEContextManagement | Get | N52 | NEF | TS 29.503 |
| UDM | Nudm_UEContextManagement | Get | N21 | SMSF | TS 29.503 |
| UDM | Nudm_UEContextManagement | Get | NL6 | GMLC | TS 29.503 |
| UDM | Nudm_UEContextManagement | Get | (2) | NWDAF | TS 29.503 |
| UDM | Nudm_UEContextManagement | Get | N59 | NSSAAF | TS 29.503 |
| UDM | Nudm_UEContextManagement | PCscfRestorationNotification | N8 | AMF | TS 29.503 |
| UDM | Nudm_UEContextManagement | PCscfRestorationNotification | N10 | SMF | TS 29.503 |
| UDM | Nudm_UEContextManagement | PCscfRestorationTrigger, AMFDeregistration, PEI-Update, Get | (2) | HSS | TS 29.503 |
| UDM | Nudm_UEContextManagement | AMFDeregistration | (2) | HSS | TS 29.503 |
| UDM | Nudm_UEContextManagement | PEI-Update | (2) | HSS | TS 29.503 |
| UDR | Nudr_DataRepository | Query, Update, Subscribe, Unsubscribe, Notify |
N35 | UDM | TS 29.504 |
| UDR | Nudr_DataRepository | Query, Update, Subscribe, Unsubscribe, Notify |
N36 | PCF | TS 29.504 |
| UDR | Nudr_DataRepository | Query, Create, Update, Delete, Subscribe, Unsubscribe, Notify |
N37 | NEF | TS 29.504 |
| UDR | Nudr_GroupIDmap | Query | (2) | NRF | TS 29.504 |
| UDR | Nudr_GroupIDmap | Query | (2) | SCP | TS 29.504 |
| UDSF | Nudsf_DataRepository | Query, Create, Update, Delete, Notify, Subscribe, Unsubscribe | N18 | Any NF | TS 29.598 |
| UDSF | Nudsf_Timer | Start, Update, Stop, Search, Notify | N18 | Any NF | TS 29.598 |