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TS 29.128CT4
MME and SGSN interfaces for interworking with
Packet Data Networks and Applications

use "3GPP‑Page" to get the Word version
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for a better overview, the Table of Contents (ToC) is reproduced
V16.1.0 (Wzip)2020/03  51 p.
V15.6.0 (PDF)  2019/09  55 p.
V14.6.0  2019/09  53 p.
V13.5.0  2017/12  50 p.

Rapporteur:  Mr. Schmitt, PeterHuawei Tech.(UK) Co., Ltd

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.
3GPP 29.128 - MME and SGSN interfaces for interworking with PDNs and Applications via SCEF
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 TS 23.682.

full Table of Contents for  TS 29.128  Word version:   16.0.0

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1  ScopeWord-p. 7
2  References
3  Definitions and abbreviationsWord-p. 8
4  General DescriptionWord-p. 9
5  Procedures DescriptionWord-p. 10
5.1  Introduction
5.2  Report Procedures
5.3  Event Configuration Procedure
5.4  Event Configuration Procedure for Roaming
5.5  MO-Data ProcedureWord-p. 17
5.6  MT Data Procedure
5.7  Connection Management by MME/SGSN Procedure.Up
5.8  Connection Management by SCEF Procedure
6  Protocol Specification and ImplementationUp
6.1  Introduction
6.2  CommandsWord-p. 30
6.3  Result-Code AVP and Experimental-Result AVP ValuesWord-p. 36
6.4  AVPsWord-p. 38
A (Normative)  Diameter overload control mechanismWord-p. 47
B (Normative)  Diameter message priority mechanism
C (Normative)  Diameter load control mechanism [R14]Word-p. 49
D  Change historyWord-p. 50

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