ETSI TS 129 122 V17.5.0 (2022-05)

Universal Mobile Telecommunications System (UMTS); LTE; 5G; T8 reference point for Northbound APIs (3GPP TS 29.122 version 17.5.0 Release 17)

RTS/TSGC-0329122vh50

General Information

• Status: Not Published
• Technical Committee: 3GPP CT 3 - Interworking with external networks (formely CN3)
• Current Stage: 12 - Completion
• Completion Date: 16-May-2022

Standards Content (Sample)

ETSI TS 129 122 V17.5.0 (2022-05)






TECHNICAL SPECIFICATION
Universal Mobile Telecommunications System (UMTS);
LTE;
5G;
T8 reference point for Northbound APIs
(3GPP TS 29.122 version 17.5.0 Release 17)



---------------------- Page: 1 ----------------------
3GPP TS 29.122 version 17.5.0 Release 17 1 ETSI TS 129 122 V17.5.0 (2022-05)

Reference
RTS/TSGC-0329122vh50
Keywords
5G,LTE,UMTS
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
and/or governmental
for any particular purpose or against infringement of intellectual property rights.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2022.
All rights reserved.

ETSI

---------------------- Page: 2 ----------------------
3GPP TS 29.122 version 17.5.0 Release 17 2 ETSI TS 129 122 V17.5.0 (2022-05)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are publicly available for ETSI members and non-members, and can be
found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to
ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
ETSI Web server (https://ipr.etsi.org/).
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its

Members. 3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and of the 3GPP
Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of the
®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Legal Notice
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities. These shall be
interpreted as being references to the corresponding ETSI deliverables.
The cross reference between 3GPP and ETSI identities can be found under http://webapp.etsi.org/key/queryform.asp.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI

---------------------- Page: 3 ----------------------
3GPP TS 29.122 version 17.5.0 Release 17 3 ETSI TS 129 122 V17.5.0 (2022-05)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 19
1 Scope . 20
2 References . 20
3 Definitions and abbreviations . 22
3.1 Definitions . 22
3.2 Abbreviations . 22
4 T8 reference point . 23
4.1 Overview . 23
4.2 Reference model . 24
4.3 Functional ele me nts . 24
4.3.1 SCEF . 24
4.3.2 SCS/AS . 24
4.4 Procedures over T8 reference point . 25
4.4.1 Introduction. 25
4.4.2 Monitoring Procedures . 25
4.4.2.1 General . 25
4.4.2.2 Monitoring Events Configuration . 25
4.4.2.2.1 General . 25
4.4.2.2.2 Monitoring Events Configuration via HSS . 26
4.4.2.2.2.1 General . 26
4.4.2.2.2.2 Configuration Request for an individual UE . 27
4.4.2.2.2.3 Configuration Request for a group of UEs . 27
4.4.2.2.3 Monitoring Events Configuration directly via MME/SGSN . 28
4.4.2.2.4 Monitoring Events Configuration via PCRF . 29
4.4.2.2.4.1 General . 29
4.4.2.2.4.2 Configuration Request for an individual UE . 29
4.4.2.2.4.3 Configuration Request for a group of UEs . 29
4.4.2.3 Reporting of Monitoring Event Procedure . 30
4.4.2.4 Network-initiated Explicit Monitoring Event Deletion Procedure . 30
4.4.2.5 Network initiated notification of applied parameter configuration . 31
4.4.3 Procedures for resource management of Background Data Transfer . 31
4.4.4 Procedures for changing the chargeable party at session set up or during the session . 32
4.4.5 Procedures for Non-IP Data Delivery . 33
4.4.5.1 General . 33
4.4.5.2 NIDD Configuration . 33
4.4.5.2.1 NIDD Configuration for a single UE. 33
4.4.5.2.2 NIDD Configuration for a group of UEs . 34
4.4.5.3 Mobile Terminated NIDD procedure . 34
4.4.5.3.1 Mobile Terminated NIDD for a single UE . 34
4.4.5.3.2 Mobile Terminated NIDD for a group of UEs . 36
4.4.5.4 Mobile Originated NIDD procedure . 37
4.4.5.5 NIDD Authorisation Update procedure . 37
4.4.5.6 Port Management Configuration . 37
4.4.5.6.1 Port Reservation and Release . 37
4.4.5.6.2 Port Notification . 39
4.4.6 Procedures for Device Triggering . 39
4.4.7 Procedures for Group Message Delivery . 40
4.4.7.1 General . 40
4.4.7.2 Group Message Delivery via MBMS . 40
4.4.7.2.1 General . 40
4.4.7.2.2 Group Message Delivery via MBMS by MB2 . 40
ETSI

---------------------- Page: 4 ----------------------
3GPP TS 29.122 version 17.5.0 Release 17 4 ETSI TS 129 122 V17.5.0 (2022-05)
4.4.7.2.2.1 TMGI Allocation . 40
4.4.7.2.2.2 TMGI Deallocation . 41
4.4.7.2.2.3 Creation of group message delivery . 41
4.4.7.2.2.4 Modification of previous submitted group message delivery . 42
4.4.7.2.2.5 Cancellation of previous submitted group message delivery . 42
4.4.7.2.3 Group message Delivery via MBMS by xMB. 42
4.4.7.2.3.1 Service Creation . 42
4.4.7.2.3.2 Service Deletion . 43
4.4.7.2.3.3 Creation of group message delivery . 43
4.4.7.2.3.4 Modification of previous submitted group message delivery . 43
4.4.7.2.3.5 Cancellation of previous submitted group message delivery . 44
4.4.8 Procedures for Reporting of Network Status . 44
4.4.8.1 General . 44
4.4.8.2 Network Status Reporting Subscription . 44
4.4.8.3 Network Status Reporting Notification . 45
4.4.9 Procedures for Communication Pattern Parameters Provisioning . 45
4.4.10 Procedures for PFD Management . 46
4.4.11 Procedures for Enhanced Coverage Restriction Control . 48
4.4.12 Procedures for Network Parameter Configuration . 48
4.4.12.1 General . 48
4.4.12.2 Configuration Request for an individual UE . 49
4.4.12.3 Configuration Request for a group of UEs . 49
4.4.12.4 Notification of applied parameter configuration . 50
4.4.13 Procedures for setting up an AS session with required QoS . 50
4.4.14 Procedures for MSISDN-less Mobile Originated SMS . 51
4.4.14.1 General . 51
4.4.14.2 Delivery of MSISDN-less MO SMS . 52
4.4.15 Procedures for RACS Parameter Provisioning . 52
5 T8 APIs . 52
5.1 Introduction . 52
5.2 Information applicable to several APIs . 53
5.2.1 Data Types . 53
5.2.1.1 Introduction . 53
5.2.1.2 Referenced structured data types . 57
5.2.1.2.1 Type: SponsorInformation . 57
5.2.1.2.2 Type: UsageThreshold . 57
5.2.1.2.3 Type: TimeWindow . 57
5.2.1.2.4 Type: Acknowledgement . 57
5.2.1.2.5 Type: NotificationData . 58
5.2.1.2.6 Type: EventReport . 58
5.2.1.2.7 Type: AccumulatedUsage. 58
5.2.1.2.8 Type: FlowInfo . 58
5.2.1.2.9 Type: TestNotification . 59
5.2.1.2.10 Type: WebsockNotifConfig . 59
5.2.1.2.11 Type: LocationArea . 59
5.2.1.2.12 Type: ProblemDetails . 60
5.2.1.2.13 Type: InvalidParam . 60
5.2.1.2.14 Type: PlmnId . 60
5.2.1.2.15 Type: ConfigResult . 60
5.2.1.2.16 Type: UsageThresholdRm . 61
5.2.1.2.17 Type: LocationArea5G . 61
5.2.1.3 Referenced Simple data types and enumerations . 61
5.2.1.3.1 Introduction . 61
5.2.1.3.2 Simple data types . 61
5.2.1.3.3 Enumeration: Event . 63
5.2.1.3.4 Enumeration: ResultReason . 64
5.2.1.4 Conventions for documenting structured data types . 64
5.2.2 Usage of HTTP . 65
5.2.2.1 General . 65
5.2.2.2 Usage of the HTTP PATCH method . 65
5.2.3 Content type . 65
ETSI

---------------------- Page: 5 ----------------------
3GPP TS 29.122 version 17.5.0 Release 17 5 ETSI TS 129 122 V17.5.0 (2022-05)
5.2.4 URI structure . 65
5.2.5 Notifications . 66
5.2.5.1 General . 66
5.2.5.2 Notification Delivery using a separate HTTP connection . 66
5.2.5.3 Notification Test Event . 66
5.2.5.4 Notification Delivery using Websocket . 66
5.2.6 Error handling . 68
5.2.7 Feature negotiation . 71
5.2.8 HTTP custom headers . 71
5.2.8.1 General . 71
5.2.8.2 Reused HTTP custom headers . 71
5.2.8.3.1 General . 71
5.2.9 Conventions for Open API specification files . 73
5.2.9.1 General . 73
5.2.9.2 Formatting of OpenAPI files . 73
5.2.9.3 Structured data types . 73
5.2.9.4 Info . 75
5.2.9.5 Servers . 75
5.2.9.6 References to other 3GPP-defined Open API specification files . 75
5.2.9.7 Server-initiated communication . 76
5.2.9.8 Describing the body of HTTP PATCH requests . 76
5.2.9.8.1 General . 76
5.2.9.8.2 JSON Merge Patch . 77
5.2.9.8.3 JSON PATCH . 77
5.2.9.9 Error Responses . 77
5.2.9.10 Enumerations . 78
5.2.9.11 Read only attribute . 79
5.2.9.12 externalDocs. 79
5.2.9.13 Operation identifiers. 79
5.2.10 Redirection handling . 80
5.2.11 Support of Load and Overload Control . 80
5.3 MonitoringEvent API . 81
5.3.1 Overview . 81
5.3.2 Data model . 81
5.3.2.1 Resource data types . 81
5.3.2.1.1 Introduction .
...