5G Service Map | Developing Solutions

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: December 2020. Please report any errors to support@developingsolutions.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	Stage 3 Spec
5G-EIR	N5g-eir_EquipmentIdentityCheck	CheckEquipmentIdentity	N17	AMF	TS 29.511
AF	Naf_EventExposure	Subscribe, Unsubscribe, Notify	N33	NEF	TS 29.517
AF	Naf_EventExposure	Subscribe, Unsubscribe, Notify	(2)	NWDAF	TS 29.517
AMF	Namf_Communication	UEContextTransfer, RegistrationStatusUpdate, CreateUEContext, ReleaseUEContext, RelocateUEContext, 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_Location	ProvidePositioningInfo, EventNotify, CancelLocation	NL2	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, Release	(2)	SMSF, AMF, NEF	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, 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, Subscribe, Unsubscribe, ModifySubscription, Notification, Update	(2)	S-CSCF, IMS-AS	TS 29.562
HSS	Nhss_imsUEAuthentication	Get	(2)	S-CSCF	TS 29.562
HSS	Nhss_imsUEContextManagement	Registration, DeregistrationNotification, Deregistration, Authorize, RestorationInfoGet, RestorationInfoUpdate, RestorationInfoDelete	(2)	I-CSCF, S-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	TransferLocationContext	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_AnalyticsExposure	Subscribe, Update, Unsubscribe, Notify, Fetch	N33	AF	TS 29.522
NEF	Nnef_ACSParameterProvision	Create, Update, Delete	N33	AF	TS 29.522
NEF	Nnef_ApplyingBdtPolicy	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_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, AF, OAM	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, AF, OAM, CEF	TS 29.520
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 29.526
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	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	SS_Events	Subscribe_Event, Notify_Event, Unsubscribe_Event	LM-S, GM-S, CM-S	VAL Server	TS 29.549
SEAL	SS_GroupManagement	Query_Group_Info, Update_Group_Info, Create_Group, Delete_Group	GM-S	VAL Server	TS 29.549
SEAL	SS_KeyInfoRetrieval	Obtain_Key_Info	KM-S	VAL Server	TS 29.549
SEAL	SS_LocationReporting	Create_Trigger_Location_Reporting, Fetch_Location_Report_Trigger, Update_Trigger_Location_Reporting, Cancel_Trigger_Location_Reporting, Obtain_Location_Info	LM-S	VAL Server	TS 29.549
SEAL	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	SS_UserProfileRetrieval	Obtain_User_Profile	CM-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)	Any NF	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, Create, Update, Release	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, Update	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, LMF	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	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	(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
UDSF	Nudsf_UnstructuredDataManagement	Query, Create, Update, Delete, Notify, Subscribe, Unsubscribe	N18	Any NF	TS 29.598