ETSI TS 129 512 V18.13.0 (2026-03)

5G; 5G System; Session Management Policy Control Service; Stage 3 (3GPP TS 29.512 version 18.13.0 Release 18)

RTS/TSGC-0329512vid0

General Information

• Status: Not Published
• Technical Committee: 3GPP CT 3 - Interworking with external networks (formely CN3)
• Current Stage: 8 - Draft receipt by ETSI Secretariat
• Completion Date: 10-Mar-2026

Standards Content (Sample)

TECHNICAL SPECIFICATION
5G;
5G System;
Session Management Policy Control Service;
Stage 3
(3GPP TS 29.512 version 18.13.0 Release 18)


3GPP TS 29.512 version 18.13.0 Release 18 1 ETSI TS 129 512 V18.13.0 (2026-03)

Reference
RTS/TSGC-0329512vid0
Keywords
5G
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ETSI
3GPP TS 29.512 version 18.13.0 Release 18 2 ETSI TS 129 512 V18.13.0 (2026-03)
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ETSI
3GPP TS 29.512 version 18.13.0 Release 18 3 ETSI TS 129 512 V18.13.0 (2026-03)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 11
1 Scope . 12
2 References . 12
3 Definitions, symbols and abbreviations . 14
3.1 Definitions . 14
3.2 Abbreviations . 16
4 Npcf_SMPolicyControl Service . 17
4.1 Service Description . 17
4.1.1 Overview . 17
4.1.2 Service Architecture . 18
4.1.3 Network Functions . 18
4.1.3.1 Policy Control Function (PCF) . 18
4.1.3.2 NF Service Consumers . 19
4.1.4 Rules . 20
4.1.4.1 General . 20
4.1.4.2 PCC rules . 20
4.1.4.2.1 PCC rules definition . 20
4.1.4.2.2 PCC rules operation . 25
4.1.4.3 Session rule . 26
4.1.4.3.1 Session rules definition . 26
4.1.4.3.2 Session rules operation . 26
4.1.4.4 Policy Decision types . 26
4.1.4.4.1 General . 26
4.1.4.4.2 Traffic control data definition . 27
4.1.4.4.3 QoS data definition . 27
4.1.4.4.4 Charging data definition . 28
4.1.4.4.5 UsageMonitoring data definition . 29
4.1.4.4.6 QoS Monitoring data definition . 29
4.1.5 Policy control request trigger . 30
4.1.6 Requested rule data . 30
4.1.7 Requested usage data . 30
4.1.8 Condition data . 30
4.2 Service Operations . 31
4.2.1 Introduction. 31
4.2.2 Npcf_SMPolicyControl_Create Service Operation . 31
4.2.2.1 General . 31
4.2.2.2 SM Policy Association establishment . 32
4.2.2.3 Provisioning of charging related information for PDU session . 36
4.2.2.3.1 Provisioning of Charging Addresses . 36
4.2.2.3.2 Provisioning of Default Charging Method . 37
4.2.2.4 Provisioning of revalidation time . 37
4.2.2.5 Policy provisioning and enforcement of authorized AMBR per PDU session. 37
4.2.2.6 Policy provisioning and enforcement of authorized default QoS . 38
4.2.2.7 Provisioning of PCC rule for Application Detection and Control . 38
4.2.2.8 3GPP PS Data Off Support . 39
4.2.2.9 IMS Emergency Session Support . 39
4.2.2.10 Request Usage Monitoring Control . 40
4.2.2.11 Access Network Charging Identifier report . 40
4.2.2.12 Request for the successful resource allocation notification. 40
4.2.2.13 Request of Presence Reporting Area Change Report . 40
4.2.2.14 Provisioning of IP Index Information . 40
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4.2.2.15 Negotiation of the QoS flow for IMS signalling . 41
4.2.2.16 PCF resource cleanup . 41
4.2.2.17 Access traffic steering, switching and splitting support . 41
4.2.2.18 DNN Selection Mode Support . 42
4.2.2.19 Detection of the SM Policy Association enabling Time Sensitive Communications, Time
Synchronization and Deterministic Networking . 43
4.2.2.20 Support of Dual Connectivity end to end redundant User Plane paths . 43
4.2.2.21 User Plane Remote Provisioning of UE SNPN Credentials in Onboarding Network . 43
4.2.2.22 Network slice related data rate policy control . 44
4.2.2.23 Group related data rate policy control . 44
4.2.2.24 Network slice usage control . 44
4.2.2.25 VPLMN Specific Offloading Policy . 44
4.2.3 Npcf_SMPolicyControl_UpdateNotify Service Operation . 45
4.2.3.1 General . 45
4.2.3.2 SM Policy Association Update request . 46
4.2.3.3 SM Policy Association termination request . 48
4.2.3.4 Provisioning of revalidation time . 48
4.2.3.5 Policy provisioning and enforcement of authorized AMBR per PDU session. 49
4.2.3.6 Policy provisioning and enforcement of authorized default QoS . 49
4.2.3.7 Provisioning of PCC rule for Application Detection and Control . 49
4.2.3.8 3GPP PS Data Off Support . 49
4.2.3.9 IMS Emergency Session Support . 50
4.2.3.9.1 Provisioning of PCC rule . 50
4.2.3.9.2 Removal of PCC Rules for Emergency Services . 50
4.2.3.10 Request of Access Network Information . 51
4.2.3.11 Request Usage Monitoring Control . 51
4.2.3.12 Ipv6 Multi-homing support . 51
4.2.3.13 Request for the result of PCC rule removal . 51
4.2.3.14 Access Network Charging Identifier request . 51
4.2.3.15 Request for the successful resource allocation notification. 51
4.2.3.16 PCC Rule Error Report . 51
4.2.3.17 IMS Restoration Support . 52
4.2.3.18 P-CSCF Restoration Enhancement Support . 52
4.2.3.19 Request of Presence Reporting Area Change Report . 52
4.2.3.20 Session Rule Error Report . 53
4.2.3.21 Access traffic steering, switching and splitting support . 53
4.2.3.22 Policy provisioning and enforcement of the AF session with required QoS . 53
4.2.3.23 Forwarding of TSC user plane node management information and port management information

received from the TSN AF or TSCTSF . 54
4.2.3.24 Provisioning of TSCAI input information and TSC QoS related data . 55
4.2.3.25 Policy provisioning of QoS Monitoring control . 57
4.2.3.25.1 General . 57
4.2.3.25.2 QoS Monitoring when dynamic Satellite Backhaul is used . 60
4.2.3.26 Policy decision error handling. 60
4.2.3.26.1 Policy decision types and condition data error handling . 60
4.2.3.26.2 Policy decision types, condition data and other policy decisions error handling . 60
4.2.3.27 Network slice related data rate policy control . 61
4.2.3.28 Group related data rate policy control . 62
4.2.3.29 Policy provisioning of Periodicity and N6 Traffic Parameter to be measured . 62
4.2.3.30 Network slice usage control . 62
4.2.3.31 VPLMN Specific Offloading Policy . 62
4.2.4 Npcf_SMPolicyControl_Update Service Operation . 63
4.2.4.1 General . 63
4.2.4.2 Requesting the update of the Session Management related policies . 64
4.2.4.3 Request the policy based on revalidation time . 67
4.2.4.4 Policy provisioning and enforcement of authorized AMBR per PDU session. 67
4.2.4.5 Policy provisioning and enforcement of authorized default QoS . 68
4.2.4.6 Application detection information reporting . 68
4.2.4.7 Indication of QoS Flow Termination Implications . 69
4.2.4.8 3GPP PS Data Off Support . 70
4.2.4.9 Request and Report of Access Network Information . 71
4.2.4.10 Request Usage Monitoring Control and Reporting Accumulated Usage . 71
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4.2.4.10.1 General . 71
4.2.4.10.2 PCC Rule Removal . 72
4.2.4.11 Ipv6 Multi-homing support . 73
4.2.4.12 Request and report for the result of PCC rule removal . 73
4.2.4.13 Access Network Charging Identifier request and report . 74
4.2.4.14 Request and report for the successful resource allocation notification . 74
4.2.4.15 PCC Rule Error Report . 74
4.2.4.16 Presence Reporting Area Information Report . 75
4.2.4.17 UE initiates a resource modification support . 76
4.2.4.18 Trace Control . 77
4.2.4.19 Negotiation of the QoS flow for IMS signalling . 77
4.2.4.20 Notification about Service Data Flow QoS target enforcement . 78
4.2.4.21 Session Rule Error Report . 79
4.2.4.22 Request the termination of SM Policy association . 79
4.2.4.23 Reporting of TSC user plane node management information and port management information . 79
4.2.4.24 Notification about Service Data Flow QoS Monitoring . 80
4.2.4.25 Access traffic steering, switching and splitting support . 81
4.2.4.26 Policy decision error handling. 82
4.2.4.26.1 Policy decision types and condition data error handling . 82
4.2.4.26.2 Policy decision types, condition data and other policy decisions error handling . 82
4.2.4.27 Policy Control for DDN Events . 82
4.2.4.28 Network slice related data rate policy control . 84
4.2.4.29 Group related data rate policy control . 84
4.2.4.30 Notification on network provided BAT Offset policy control trigger . 84
4.2.4.31 Network slice usage control . 85
4.2.4.32 VPLMN Specific Offloading Policy . 85
4.2.5 Npcf_SMPolicyControl_Delete Service Operation . 85
4.2.5.1 General . 85
4.2.5.2 SM Policy Association termination . 86
4.2.5.3 Report Accumulated Usage . 87
4.2.5.4 Report Access Network Information . 87
4.2.5.5 Void. 87
4.2.5.6 Network slice related data rate policy control . 87
4.2.5.7 Group related data rate policy control . 87
4.2.6 Provisioning and Enforcement of Policy Decisions . 87
4.2.6.1 General . 87
4.2.6.2 PCC Rules . 90
4.2.6.2.1 Overview . 90
4.2.6.2.2 Gate Function . 92
4.2.6.2.3 Policy enforcement for authorized QoS per PCC Rule . 92
4.2.6.2.4 Redirect Function . 92
4.2.6.2.5 Usage Monitoring Control . 93
4.2.6.2.6 Traffic Steering Control support . 93
4.2.6.2.7 Conditioned PCC rule . 98
4.2.6.2.8 PCC rule for resource sharing . 99
4.2.6.2.9 Resource reservation for services sharing priority. 100
4.2.6.2.10 PCC rule bound to the default QoS flow . 101
4.2.6.2.11 PCC rule for Application Detection and Control . 102
4.2.6.2.12 Provisioning of PCC Rules for Multimedia Priority Services . 102
4.2.6.2.13 Sponsored Data Connectivity . 105
4.2.6.2.14 Support for PCC rule versioning . 105
4.2.6.2.15 Background data transfer support . 106
4.2.6.2.16 Number of supported packet filter for signalled QoS rule limitation support . 107
4.2.6.2.17 Access traffic steering, switching and splitting support . 107
4.2.6.2.18 Void . 111
4.2.6.2.19 Provisioning of PCC Rules for Mission Critical Services . 111
4.2.6.2.20 PCC rules authorization with preliminary service information . 113
4.2.6.2.21 Policy Control for L4S . 114
4.2.6.2.22 UL/DL policy control based on Round-Trip latency requirements . 115
4.2.6.2.23 Policy Decision for AF requested QoS for a target UE or group of UE(s) not identified by UE
address(es) . 115
4.2.6.3 Session Rules . 115
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4.2.6.3.1 Overview . 115
4.2.6.3.2 Conditioned Session rule . 116
4.2.6.3.3 Provisioning of authorized default QoS . 118
4.2.6.3.4 Access traffic steering, switching and splitting support . 119
4.2.6.3.5 Usage Monitoring Control . 119
4.2.6.4 Policy control request triggers. 119
4.2.6.5 Encoding of the request of information reporting . 120
4.2.6.5.1 Request of Access Network Charging Identifier . 120
4.2.6.5.2 RAN NAS Cause Support . 120
4.2.6.5.3 Provisioning of the Usage Monitoring Control Policy . 120
4.2.6.5.4 Request for Access Network Information . 124
4.2.6.5.5 Request for the successful resource allocation notification . 124
4.2.6.5.6 Provisioning of Presence Reporting Area Information . 124
4.2.6.5.7 Policy provisioning and enforcement of reflective QoS . 125
4.2.6.6 Authorized QoS . 126
4.2.6.6.1 General . 126
4.2.6.6.2 Policy provisioning and enforcement of authorized QoS per service data flow . 127
4.2.6.6.3 Policy provisioning and enforcement of authorized explicitly signalled QoS Characteristics . 128
4.2.6.7 Monitoring the data rate per network slice for a UE . 129
4.2.6.8 Network slice related data rate policy control . 129
4.2.6.8.1 General . 129
4.2.6.8.2 PCF-based network slice data rate policy control by using QoS parameters . 130
4.2.6.8.3 Network slice data rate policy control with assistance of the NWDAF . 131
4.2.6.9 Group related data rate policy control . 132
4.2.6.9.1 General . 132
4.2.6.10 Policy Provisioning for eXtended Reality and Interactive Media Services. 133
4.2.6.10.1 Support for delivery of multi-modal services . 133
4.2.6.10.2 Traffic Parameter Information and N6 Traffic Parameter Measurement . 133
4.2.6.10.3 PDU Set handling . 133
4.2.6.10.4 End of Data Burst Handling . 134
4.2.7 Handling of requests which collide with an existing SM Policy Association . 134
4.2.8 UE IP address support. 134
5 Npcf_SMPolicyControl Service API . 134
5.1 Introduction . 134
5.2 Usage of HTTP . 135
5.2.1 General . 135
5.2.2 HTTP standard headers . 135
5.2.2.1 General . 135
5.2.2.2 Content type . 135
5.2.3 HTTP custom headers . 135
5.2.3.1 General . 135
5.2.3.2 3gpp-Sbi-Origination-Timestamp . 135
5.3 Resources . 136
5.3.1 Resource Structure . 136
5.3.2 Resource: SM Policies . 136
5.3.2.1 Description . 136
5.3.2.2 Resource definition . 136
5.3.2.3 Resource Standard Methods . 137
5.3.2.3.1 POST . 137
5.3.2.4 Resource Custom Operations . 138
5.3.3 Resource: Individual SM Policy . 138
5.3.3.1 Description . 138
5.3.3.2 Resource definition . 138
5.3.3.3 Resource Standard Methods . 138
5.3.3.3.1 GET . 138
5.3.3.4 Resource Custom Operations . 139
5.3.3.4.1 Overview . 139
5.3.3.4.2 Operation: delete . 140
5.3.3.4.3 Operation: update . 141
5.4 Custom Operations without associated resources. 142
5.5 Notifications . 142
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5.5.1 General . 142
5.5.2 Policy Update Notification . 142
5.5.2.1 Description . 142
5.5.2.2 Operation Definition . 142
5.5.3 Request for termination of the policy association . 143
5.5.3.1 Description . 143
5.5.3.2 Operation Definition . 144
5.6 Data Model . 144
5.6.1 General . 144
5.6.2 Structured data types . 154
5.6.2.1 Introduction . 154
5.6.2.2 Type SmPolicyControl . 154
5.6.2.3 Type SmPolicyContextData . 155
5.6.2.4 Type SmPolicyDecision . 159
5.6.2.5 Type SmPolicyNotification . 163
5.6.2.6 Type PccRule . 164
5.6.2.7 Type SessionRule .
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