5.1 Introduction

29.5183GPP5G SystemAccess and Mobility Management ServicesRelease 16Stage 3TS

The table 5.1-1 shows the AMF Services and AMF Service Operations:

Table 5.1-1 List of AMF Services

Service Name

Service Operations

Operation

Semantics

Example Consumer(s)

Namf_Communication

UEContextTransfer

Request/Response

Peer AMF

RegistrationStatusUpdate

Request/Response

Peer AMF

CreateUEContext

Request/Response

Peer AMF

ReleaseUEContext

Request/Response

Peer AMF

N1MessageNotify

Subscribe/Notify

Peer AMF, LMF, PCF

N2InfoNotify

LMF, AMF

N1N2MessageSubscribe

PCF

N1N2MessageUnSubscribe

PCF

N1N2MessageTransfer

Request/Response

Peer AMF, SMF, SMSF, LMF, PCF

N1N2TransferFailureNotification

Subscribe/Notify

SMF, SMSF, LMF, PCF

NonUeN2MessageTransfer

Request/Response

Peer AMF, LMF, CBCF, PWS-IWF

NonUeN2InfoSubscribe

Subscribe/Notify

CBCF, PWS-IWF

NonUeN2InfoUnSubscribe

CBCF, PWS-IWF

NonUeN2InfoNotify

LMF, CBCF, PWS-IWF

EBIAssignment

Request/Response

SMF

AMFStatusChangeSubscribe

Subscribe / Notify

SMF, PCF, NEF, SMSF, UDM

AMFStatusChangeUnSubscribe

Subscribe / Notify

SMF, PCF, NEF, SMSF, UDM

AMFStatusChangeNotify

Subscribe / Notify

SMF, PCF, NEF, SMSF, UDM

Namf_EventExposure

Subscribe (see NOTE)

Subscribe/Notify

NEF, SMF, UDM, NWDAF, LMF

Unsubscribe (see NOTE)

Subscribe/Notify

NEF, SMF, UDM, NWDAF, LMF

Notify

Subscribe/Notify

NEF, SMF, UDM, NWDAF, LMF

Namf_MT

EnableUEReachability

Request/Response

SMSF

ProvideDomainSelectionInfo

Request/Response

UDM

Namf_Location

ProvidePositioningInfo

Request/Response

GMLC

EventNotify

Subscribe / Notify

GMLC

ProvideLocationInfo

Request/Response

UDM

CancelLocation

Request/Response

GMLC

NOTE: A subscription applies for one UE, group of UE(s) or any UE.

Table 5.1-2 summarizes the corresponding APIs defined for this specification.

Table 5.1-2: API Descriptions

Service Name

Clause

Description

OpenAPI Specification File

apiName

Annex

Namf_Communication

6.1

AMF Communication Service

TS29518_Namf_Communication.yaml

namf-comm

A.2

Namf_EventExposure

6.2

AMF Event Exposure Service

TS29518_Namf_EventExposure.yaml

namf-evts

A.3

Namf_MT

6.3

AMF Mobile Terminated Service

TS29518_Namf_MT.yaml

namf-mt

A.4

Namf_Location

6.4

AMF Location Service

TS29518_Namf_Location.yaml

namf-loc

A.5