TS 29.502
CT4
★
5GS — Session Management Services
use "3GPP‑Page" to get the Word version
use "ETSI‑search" to get the PDF version
for a better overview, the Table of Contents (ToC) is reproduced
use "ETSI‑search" to get the PDF version
for a better overview, the Table of Contents (ToC) is reproduced
V16.2.0 (Wzip)
2019/12 211 p.
V15.6.0 (PDF)
2019/12 152 p.
WI Acronym: 5GS_Ph1-CT
Rapporteur: Mr. Landais, Bruno Nokia France
See also:
Rapporteur: Mr. Landais, Bruno Nokia France
See also:
TS 29.508
for the Nsmf_EventExposure Service
The present document specifies the stage 3 protocol and data model for the Nsmf Service Based Interface.
It provides stage 3 protocol definitions and message flows, and specifies the API for the following service:
- Nsmf_PDUSession
full Table of Contents for TS 29.502 Word version: 16.2.0
1 Scope
2 References
3 Definitions and abbreviations
4 Overview
5 Services offered by the SMF
6 API Definitions
A [N] OpenAPI specification
B HTTP Multipart Messages
C Change history
1 Scope Word-p. 9
2 References
3 Definitions and abbreviations Word-p. 10
4 Overview Word-p. 11
5 Services offered by the SMF
5.1 Introduction
5.2 Nsmf_PDUSession Service Word-p. 12
6 API Definitions
5.2.1 Service Description 
5.2.2 Service Operations Word-p. 13
5.2.2 Service Operations Word-p. 13
5.2.2.1 Introduction
5.2.2.2 Create SM Context service operation
5.2.2.11 Send MO Data service operation [R16] Word-p. 58
5.2.3 General procedures Word-p. 59
5.2.2.2.1 General
5.2.2.2.2 EPS to 5GS Idle mode mobility using N26 interface Word-p. 16
5.2.2.2.3 EPS to 5GS Handover Preparation using N26 interface Word-p. 18
5.2.2.2.4 I-SMF Insertion, Change or Removal during Xn based Handover [R16] Word-p. 19
5.2.2.2.5 I-SMF Insertion, Change or Removal during N2 based Handover [R16]
5.2.2.2.6 Service Request with I-SMF insertion/change/removal or with V-SMF change [R16]
5.2.2.2.7 Registration procedure for a UE with a PDU session with I-SMF insertion, change and removal [R16] Word-p. 20
5.2.2.2.8 SMF Context Transfer procedure, LBO or no Roaming, no I-SMF [R16] Word-p. 21
5.2.2.2.9 I-SMF Context Transfer procedure [R16]
5.2.2.3 Update SM Context service operation
5.2.2.3.1 General
5.2.2.3.2 Activation and Deactivation of the User Plane connection of a PDU session Word-p. 23
5.2.2.3.14 Request to forward buffered downlink data packets at I-UPF [R16] Word-p. 37
5.2.2.3.15 Connection Suspend procedure [R16]
5.2.2.3.16 Connection Resume in CM-IDLE with Suspend procedure [R16] Word-p. 38
5.2.2.4 Release SM Context service operation
5.2.2.5 Notify SM Context Status service operation Word-p. 40
5.2.2.6 Retrieve SM Context service operation Word-p. 41
5.2.2.7 Create service operation Word-p. 43
5.2.2.3.2.1 General
5.2.2.3.2.2 Activation of User Plane connectivity of a PDU session
5.2.2.3.2.3 Deactivation of User Plane connectivity of a PDU session Word-p. 25
5.2.2.3.2.4 Changing the access type of a PDU session from non-3GPP access to 3GPP access during a Service Request procedure
5.2.2.3.3 Xn Handover Word-p. 26
5.2.2.3.4 N2 Handover Word-p. 28
5.2.2.3.4.1 General
5.2.2.3.4.2 N2 Handover Preparation
5.2.2.3.4.3 N2 Handover Execution Word-p. 30
5.2.2.3.4.4 N2 Handover Cancellation Word-p. 31
5.2.2.3.5 Handover between 3GPP and untrusted non-3GPP access procedures
5.2.2.3.5.1 General
5.2.2.3.5.2 Handover of a PDU session without AMF change or with target AMF in same PLMN
5.2.2.3.6 Inter-AMF change or mobility Word-p. 32
5.2.2.3.7 RAN Initiated QoS Flow Mobility Word-p. 33
5.2.2.3.8 EPS to 5GS Handover using N26 interface
5.2.2.3.8.1 General
5.2.2.3.8.2 EPS to 5GS Handover Preparation
5.2.2.3.8.3 EPS to 5GS Handover Execution Word-p. 34
5.2.2.3.8.4 EPS to 5GS Handover Cancellation
5.2.2.3.9 5GS to EPS Handover using N26 interface
5.2.2.3.10 P-CSCF Restoration Procedure via AMF Word-p. 35
5.2.2.3.11 AMF requested PDU Session Release due to duplicated PDU Session Id
5.2.2.3.12 AMF requested PDU Session Release due to slice not available Word-p. 36
5.2.2.3.13 Indirect Data Forwarding Tunnel establishment during N2 based Handover with I-SMF [R16]
5.2.2.3.14 Request to forward buffered downlink data packets at I-UPF [R16] Word-p. 37
5.2.2.3.15 Connection Suspend procedure [R16]
5.2.2.3.16 Connection Resume in CM-IDLE with Suspend procedure [R16] Word-p. 38
5.2.2.7.1 General
5.2.2.7.2 EPS to 5GS Idle mode mobility Word-p. 45
5.2.2.7.3 EPS to 5GS Handover Preparation Word-p. 46
5.2.2.8 Update service operation Word-p. 47
5.2.2.8.1 General
5.2.2.8.2 Update service operation towards H-SMF or SMF Word-p. 48
5.2.2.9 Release service operation Word-p. 57
5.2.2.10 Notify Status service operation
5.2.2.8.2.1 General
5.2.2.8.2.2 UE or network (e.g. AMF, V-SMF, I-SMF) requested PDU session modification Word-p. 49
5.2.2.8.2.3 UE requested PDU session release
5.2.2.8.2.4 EPS to 5GS Handover Execution
5.2.2.8.2.5 Handover between 3GPP and untrusted non-3GPP access Word-p. 50
5.2.2.8.2.6 P-CSCF Restoration Procedure via AMF
5.2.2.8.2.7 Addition of PSA and BP or UL CL controlled by I-SMF [R16]
5.2.2.8.2.8 Removal of PSA and BP or UL CL controlled by I-SMF [R16]
5.2.2.8.2.9 Change of PSA for IPv6 multi-homing or UL CL controlled by I-SMF [R16] Word-p. 51
5.2.2.8.2.10 PDU Session modification with I-SMF or V-SMF change [R16]
5.2.2.8.2.11 Sending by I-SMF of N4 notifications related with traffic usage reporting [R16] Word-p. 52
5.2.2.8.3 Update service operation towards V-SMF or I-SMF
5.2.2.8.2.5 Handover between 3GPP and untrusted non-3GPP access Word-p. 50
5.2.2.8.2.6 P-CSCF Restoration Procedure via AMF
5.2.2.8.2.7 Addition of PSA and BP or UL CL controlled by I-SMF [R16]
5.2.2.8.2.8 Removal of PSA and BP or UL CL controlled by I-SMF [R16]
5.2.2.8.2.9 Change of PSA for IPv6 multi-homing or UL CL controlled by I-SMF [R16] Word-p. 51
5.2.2.8.2.10 PDU Session modification with I-SMF or V-SMF change [R16]
5.2.2.8.2.11 Sending by I-SMF of N4 notifications related with traffic usage reporting [R16] Word-p. 52
5.2.2.8.3.1 General
5.2.2.8.3.2 Network (e.g. H-SMF, SMF) requested PDU session modification Word-p. 53
5.2.2.8.3.3 Network (e.g. H-SMF, SMF) requested PDU session release Word-p. 54
5.2.2.8.3.4 Handover between 3GPP and untrusted non-3GPP access, from 5GC-N3IWF to EPS or from 5GS to EPC/ePDG
5.2.2.8.3.5 EPS Bearer ID assignment
5.2.2.8.3.6 Addition of PSA and BP or UL CL controlled by I-SMF [R16] Word-p. 55
5.2.2.8.3.7 Removal of PSA and BP or UL CL controlled by I-SMF [R16]
5.2.2.8.3.8 Change of PSA for IPv6 multi-homing or UL CL controlled by I-SMF [R16] Word-p. 56
5.2.2.8.3.9 Policy update procedures with an I-SMF [R16]
5.2.2.11 Send MO Data service operation [R16] Word-p. 58
6.1 Nsmf_PDUSession Service API
A (Normative) OpenAPI specification Word-p. 162
B HTTP Multipart Messages Word-p. 205
C Change history Word-p. 207
6.1.1 API URI
6.1.2 Usage of HTTP Word-p. 62
6.1.2.1 General
6.1.2.2 HTTP standard headers
6.1.2.3 HTTP custom headers
6.1.2.4 HTTP multipart messages
6.1.2.5 HTTP/2 request retries
6.1.3 Resources Word-p. 64
6.1.3.1 Overview
6.1.3.2 Resource: SM contexts collection Word-p. 65
6.1.4 Custom Operations without associated resources Word-p. 77
6.1.5 Notifications
6.1.6 Data Model
6.1.3.2.1 Description
6.1.3.2.2 Resource Definition
6.1.3.2.3 Resource Standard Methods
6.1.3.2.4 Resource Custom Operations Word-p. 67
6.1.3.3 Resource: Individual SM context Word-p. 68
6.1.3.3.1 Description
6.1.3.3.2 Resource Definition
6.1.3.3.3 Resource Standard Methods
6.1.3.3.4 Resource Custom Operations
6.1.3.5 Resource: PDU sessions collection (H-SMF or SMF) Word-p. 71
6.1.3.3.3 Resource Standard Methods
6.1.3.3.4 Resource Custom Operations
6.1.3.5.1 Description
6.1.3.5.2 Resource Definition
6.1.3.5.3 Resource Standard Methods
6.1.3.5.4 Resource Custom Operations Word-p. 73
6.1.3.6 Resource: Individual PDU session (H-SMF or SMF)
6.1.3.6.1 Description
6.1.3.6.2 Resource Definition
6.1.3.6.3 Resource Standard Methods
6.1.3.6.4 Resource Custom Operations
6.1.3.7 Resource: Individual PDU session (V-SMF or I-SMF) Word-p. 75
6.1.6.1 General
6.1.6.2 Structured data types Word-p. 84
6.1.7 Error Handling Word-p. 157
6.1.8 Feature Negotiation Word-p. 160
6.1.9 Security Word-p. 161
6.1.6.2.1 Introduction
6.1.6.2.2 Type: SmContextCreateData Word-p. 85
6.1.6.2.3 Type: SmContextCreatedData Word-p. 92
6.1.6.2.4 Type: SmContextUpdateData Word-p. 94
6.1.6.2.5 Type: SmContextUpdatedData Word-p. 100
6.1.6.2.6 Type: SmContextReleaseData Word-p. 103
6.1.6.2.7 Type: SmContextRetrieveData Word-p. 105
6.1.6.2.8 Type: SmContextStatusNotification Word-p. 106
6.1.6.2.9 Type: PduSessionCreateData Word-p. 107
6.1.6.2.10 Type: PduSessionCreatedData Word-p. 113
6.1.6.2.11 Type: HsmfUpdateData Word-p. 117
6.1.6.2.12 Type: HsmfUpdatedData Word-p. 123
6.1.6.2.13 Type: ReleaseData Word-p. 124
6.1.6.2.14 Type: HsmfUpdateError Word-p. 125
6.1.6.2.15 Type: VsmfUpdateData Word-p. 126
6.1.6.2.16 Type: VsmfUpdatedData Word-p. 130
6.1.6.2.17 Type: StatusNotification Word-p. 132
6.1.6.2.18 Type: QosFlowItem
6.1.6.2.19 Type: QosFlowSetupItem
6.1.6.2.20 Type: QosFlowAddModifyRequestItem Word-p. 133
6.1.6.2.21 Type: QosFlowReleaseRequestItem
6.1.6.2.22 Type: QosFlowProfile Word-p. 134
6.1.6.2.23 Type: GbrQosFlowInformation
6.1.6.2.24 Type: QosFlowNotifyItem Word-p. 135
6.1.6.2.25 Void
6.1.6.2.26 Void
6.1.6.2.27 Type: SmContextRetrievedData
6.1.6.2.28 Type: TunnelInfo Word-p. 136
6.1.6.2.29 Type: StatusInfo
6.1.6.2.30 Type: VsmfUpdateError Word-p. 137
6.1.6.2.31 Type: EpsPdnCnxInfo Word-p. 138
6.1.6.2.32 Type: EpsBearerInfo
6.1.6.2.33 Type: PduSessionNotifyItem
6.1.6.2.34 Type: EbiArpMapping
6.1.6.2.35 Type: SmContextCreateError
6.1.6.2.36 Type: SmContextUpdateError Word-p. 139
6.1.6.2.37 Type: PduSessionCreateError Word-p. 140
6.1.6.2.38 Type: MmeCapabilities
6.1.6.2.39 Type: SmContext [R16] Word-p. 141
6.1.6.2.40 Type: ExemptionInd [R16] Word-p. 143
6.1.6.2.41 Type: PsaInformation [R16] Word-p. 144
6.1.6.2.42 Type: DnaiInformation [R16]
6.1.6.2.43 Type: N4Information [R16] Word-p. 145
6.1.6.2.44 Type: IndirectDataForwardingTunnelInfo [R16]
6.1.6.2.45 Type: SmContextReleasedData [R16] Word-p. 146
6.1.6.2.46 Type: ReleasedData [R16]
6.1.6.2.47 Type: SendMoDataReqData [R16]
6.1.6.2.48 Type: CnAssistedRanPara [R16] Word-p. 147
6.1.6.3 Simple data types and enumerations
6.1.6.2.30 Type: VsmfUpdateError Word-p. 137
6.1.6.2.31 Type: EpsPdnCnxInfo Word-p. 138
6.1.6.2.32 Type: EpsBearerInfo
6.1.6.2.33 Type: PduSessionNotifyItem
6.1.6.2.34 Type: EbiArpMapping
6.1.6.2.35 Type: SmContextCreateError
6.1.6.2.36 Type: SmContextUpdateError Word-p. 139
6.1.6.2.37 Type: PduSessionCreateError Word-p. 140
6.1.6.2.38 Type: MmeCapabilities
6.1.6.2.39 Type: SmContext [R16] Word-p. 141
6.1.6.2.40 Type: ExemptionInd [R16] Word-p. 143
6.1.6.2.41 Type: PsaInformation [R16] Word-p. 144
6.1.6.2.42 Type: DnaiInformation [R16]
6.1.6.2.43 Type: N4Information [R16] Word-p. 145
6.1.6.2.44 Type: IndirectDataForwardingTunnelInfo [R16]
6.1.6.2.45 Type: SmContextReleasedData [R16] Word-p. 146
6.1.6.2.46 Type: ReleasedData [R16]
6.1.6.2.47 Type: SendMoDataReqData [R16]
6.1.6.2.48 Type: CnAssistedRanPara [R16] Word-p. 147
6.1.6.3.1 Introduction
6.1.6.3.2 Simple data types
6.1.6.3.3 Enumeration: UpCnxState Word-p. 148
6.1.6.3.4 Enumeration: HoState Word-p. 149
6.1.6.3.5 Enumeration: RequestType
6.1.6.3.6 Enumeration: RequestIndication
6.1.6.3.7 Enumeration: NotificationCause
6.1.6.3.8 Enumeration: Cause Word-p. 150
6.1.6.3.9 Enumeration: ResourceStatus
6.1.6.3.10 Enumeration: DnnSelectionMode Word-p. 151
6.1.6.3.11 Enumeration: EpsInterworkingIndication
6.1.6.3.12 Enumeration: N2SmInfoType
6.1.6.3.13 Enumeration: MaxIntegrityProtectedDataRate Word-p. 152
6.1.6.3.14 Enumeration: MaReleaseIndication [R16]
6.1.6.3.15 Enumeration: SmContextType [R16]
6.1.6.3.16 Enumeration: PsaIndication [R16]
6.1.6.3.17 Enumeration: N4MessageType [R16]
6.1.6.3.18 Enumeration: QosFlowAccessType [R16] Word-p. 153
6.1.6.4 Binary data
