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TECHNICAL SPECIFICATION
LTE;
Universal Mobile Telecommunications System (UMTS);
Mobility Management Entity (MME)
and Serving GPRS Support Node (SGSN)
interfaces for interworking with packet data networks
and applications
(3GPP TS 29.128 version 15.4.0 Release 15)
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3GPP TS 29.128 version 15.4.0 Release 15 1 ETSI TS 129 128 V15.4.0 (2019-04)
Reference
RTS/TSGC-0429128vf40
Keywords
LTE,UMTS
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3GPP TS 29.128 version 15.4.0 Release 15 2 ETSI TS 129 128 V15.4.0 (2019-04)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is 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
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Foreword
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, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
.
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
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3GPP TS 29.128 version 15.4.0 Release 15 3 ETSI TS 129 128 V15.4.0 (2019-04)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 6
1 Scope . 7
2 References . 7
3 Definitions and abbreviations . 8
3.1 Definitions . 8
3.2 Abbreviations . 8
4 General Description . 9
4.1 Introduction . 9
5 Procedures Description. 10
5.1 Introduction . 10
5.2 Report Procedures . 10
5.2.1 General . 10
5.2.2 Detailed Behaviour of the MME/SGSN . 11
5.2.2.0 General . 11
5.2.2.1 UE Loss of Connectivity . 11
5.2.2.2 UE Reachability . 12
5.2.2.3 Location Reporting. 12
5.2.2.4 Communication Failure . 12
5.2.2.5 Availability after DDN failure . 12
5.2.2.6 Idle Status Indication. 12
5.2.3 Detailed Behaviour of the SCEF . 12
5.2.4 Detailed Behaviour of the IWK-SCEF . 13
5.3 Event Configuration Procedure . 13
5.3.1 General . 13
5.3.2 Detailed Behaviour of the MME/SGSN . 13
5.3.3 Detailed Behaviour of the IWK-SCEF . 14
5.4 Event Configuration Procedure for Roaming . 14
5.4.1 General . 14
5.4.2 Detailed Behaviour of the IWK-SCEF . 15
5.4.3 Detailed Behaviour of the MME/SGSN . 16
5.5 MO-Data Procedure . 16
5.5.1 General . 16
5.5.2 Detailed Behaviour of the MME/SGSN . 17
5.5.3 Detailed Behaviour of the SCEF . 18
5.5.4 Detailed Behaviour of the IWK-SCEF . 18
5.6 MT Data Procedure . 18
5.6.1 General . 18
5.6.2 Detailed Behaviour of the SCEF . 20
5.6.3 Detailed Behaviour of the MME/SGSN . 20
5.6.4 Detailed Behaviour of the IWK-SCEF . 20
5.7 Connection Management by MME/SGSN Procedure. . 21
5.7.1 General . 21
5.7.2 Detailed Behaviour of the MME/SGSN . 23
5.7.3 Detailed Behaviour of the SCEF . 24
5.7.4 Detailed Behaviour of the IWK-SCEF . 25
5.8 Connection Management by SCEF Procedure . 25
5.8.1 General . 25
5.8.2 Detailed Behaviour of the SCEF . 26
5.8.3 Detailed Behaviour of the MME/SGSN . 26
5.8.4 Detailed Behaviour of the IWK-SCEF . 27
ETSI
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3GPP TS 29.128 version 15.4.0 Release 15 4 ETSI TS 129 128 V15.4.0 (2019-04)
6 Protocol Specification and Implementation . 27
6.1 Introduction . 27
6.1.1 Use of Diameter Base Protocol . 27
6.1.2 Securing Diameter Messages . 27
6.1.3 Accounting Functionality . 27
6.1.4 Use of Sessions . 27
6.1.5 Transport Protocol . 28
6.1.6 Routing Considerations . 28
6.1.6.1 Routing Considerations for Monitoring Event related Requests . 28
6.1.6.2 Routing Considerations for Non-IP Data Related Requests . 28
6.1.6.3 Handling of the Vendor-Specific-Application-Id AVP . 29
6.1.7 Advertising Application Support . 29
6.1.8 Diameter Application Identifier . 29
6.1.9 Use of the Supported-Features AVP . 29
6.2 Commands . 29
6.2.1 Introduction. 29
6.2.2 Command-Code values . 30
6.2.3 Configuration Information Request (CIR) Command . 30
6.2.4 Configuration-Information-Answer (CIA) Command . 31
6.2.5 Reporting-Information-Request (RIR) Command . 31
6.2.6 Reporting-Information-Answer (RIA) Command . 32
6.2.7 Connection-Management-Request (CMR) Command . 32
6.2.8 Connection-Management-Answer (CMA) Command . 33
6.2.9 MO-Data-Request (ODR) Command . 34
6.2.10 MO-Data-Answer (ODA) Command. 34
6.2.11 MT-Data-Request (TDR) Command . 35
6.2.12 MT-Data-Answer (TDA) Command . 35
6.3 Result-Code AVP and Experimental-Result AVP Values . 36
6.3.1 General . 36
6.3.2 Success . 36
6.3.3 Permanent Failures . 36
6.3.3.1 DIAMETER_ERROR_UNAUTHORIZED_REQUESTING_ENTITY (5510) . 36
6.3.3.2 DIAMETER_ERROR_UNAUTHORIZED_SERVICE (5511) . 36
6.3.3.3 DIAMETER_ERROR_CONFIGURATION_EVENT_STORAGE_NOT_ SUCCESSFUL
(5513) . 36
6.3.3.4 DIAMETER_ERROR_CONFIGURATION_EVENT_NON_EXISTANT (5514) . 36
6.3.3.5 DIAMETER_ERROR_REQUESTED_LOCATION_NOT_SERVED (5650) . 36
6.3.3.6 DIAMETER_ERROR_USER_UNKNOWN (5001) . 36
6.3.3.7 DIAMETER_ERROR_OPERATION_NOT_ALLOWED (5101) . 37
6.3.3.8 DIAMETER_ERROR_INVALID_EPS_BEARER (5651) . 37
6.3.3.9 DIAMETER_ERROR_NIDD_CONFIGURATION_NOT_AVAILABLE (5652) . 37
6.3.3.10 DIAMETER_ERROR_ SCEF_REFERENCE_ID_UNKNOWN (5515) . 37
6.3.3.11 DIAMETER_ERROR_USER_TEMPORARILY_UNREACHABLE (5653) . 37
6.3.3.12 DIAMETER_ERROR_UNREACHABLE_USER (4221). 37
6.4 AVPs . 37
6.4.1 General . 37
6.4.2 Monitoring-Event-Configuration . 40
6.4.3 Monitoring-Event-Report . 40
6.4.4 Communication-Failure-Information . 41
6.4.5 Cause-Type . 41
6.4.6 S1AP-Cause . 41
6.4.7 RANAP-Cause . 41
6.4.8 BSSGP-Cause . 41
6.4.9 GMM-Cause . 41
6.4.10 SM-Cause . 41
6.4.11 Number-Of-UE-Per-Location-Configuration . 42
6.4.12 Number-Of-UE-Per-Location-Report . 42
6.4.13 UE-Count . 42
6.4.14 Feature-List AVP . 42
6.4.14.1 Feature-List AVP for the T6a/T6b application . 42
6.4.15 DRMP . 43
6.4.16 User-Identifier . 43
ETSI
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3GPP TS 29.128 version 15.4.0 Release 15 5 ETSI TS 129 128 V15.4.0 (2019-04)
6.4.17 Bearer-Identifier . 43
6.4.18 Connection-Action . 43
6.4.19 Non-IP-Data . 44
6.4.20 Service-Selection . 44
6.4.21 Serving-PLMN-Rate-Control . 44
6.4.22 Downlink-Rate-Limit. 44
6.4.23 Uplink-Rate-Limit . 44
6.4.24 SCEF-Wait-Time . 44
6.4.25 CMR-Flags . 44
6.4.26 Extended-PCO . 45
6.4.27 RRC-Cause-Counter . 45
6.4.28 Counter-Value . 45
6.4.29 RRC-Counter-Timestamp . 45
6.4.30 Terminal-Information . 45
6.4.31 TDA-Flags . 45
6.4.32 Idle-Status-Indication. 46
6.4.33 Idle-Status-Timestamp . 46
6.4.34 Active-Time . 46
Annex A (normative): Diameter overload control mechanism . 47
A.1 T6a/b and T7 interfaces . 47
A.1.1 General . 47
A.1.2 SCEF behaviour . 47
A.1.3 MME/SGSN behaviour . 47
A.1.4 IWK-SCEF behaviour. 48
Annex B (normative): Diameter message priority mechanism . 49
B.1 General . 49
B.2 T6a, T6ai, T6b, T6bi, T7 interfaces . 49
Annex C (normative): Diameter load control mechanism . 50
C.1 General . 50
C.2 SCEF behaviour . 50
C.3 MME/SGSN behaviour . 50
C.4 IWK-SCEF behaviour . 50
Annex D (informative): Change history . 51
History . 53
ETSI
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3GPP TS 29.128 version 15.4.0 Release 15 6 ETSI TS 129 128 V15.4.0 (2019-04)
Foreword
rd
This Technical Specification has been produced by the 3 Generation Partnership Project (3GPP).
The contents of the present document are subject to continuing work within the TSG and may change following formal
TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an
identifying change of release date and an increase in version number as follows:
Version x.y.z
where:
x the first digit:
1 presented to TSG for information;
2 presented to TSG for approval;
3 or greater indicates TSG approved document under change control.
y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections,
updates, etc.
z the third digit is incremented when editorial only changes have been incorporated in the document.
ETSI
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3GPP TS 29.128 version 15.4.0 Release 15 7 ETSI TS 129 128 V15.4.0 (2019-04)
1 Scope
The present document describes the Diameter-based interfaces between the SCEF/IWK-SCEF and other network
entities such as MME/SGSN for the Architecture enhancements to facilitate communications with packet data networks
and applications.
In particular, this document specifies the T6a interface between the MME and the SCEF, the T6ai interface between the
MME and the IWK-SCEF, the T6b interface between the SGSN and the SCEF, the T6bi interface between the SGSN
and the SCEF and the T7 interface between the SCEF and the IWK-SCEF. The procedures over those interfaces are
defined in 3GPP TS 23.682 [2].
2 References
The following documents contain provisions which, through reference
...