TR 29.866 – IMS Disaster Prevention & Restoration Enhancement
3GPP TR 29.866 is the 3GPP Technical Report for IMS Disaster Prevention & Restoration Enhancement. Its official 3GPP title is “Study on IMS Disaster Prevention and Restoration Enhancement”. It is published in 2 releases (Rel-18 to Rel-19); the latest version is 19.0.0 in Rel-19.
Studies enhancements for IMS disaster prevention and restoration to increase system stability, focusing on HSS/UDM, PCRF/PCF failures and overload scenarios.
Releases and versions of TR 29.866
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 1.1.0 | Read · Download (3GPP) |
Scope of TR 29.866
Category: Services (IMS). Technology generation: Multi-Gen. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: High.
Key technologies
Specifications referenced by TR 29.866
- TS 23.203 Policy and Charging Control Architecture
- TS 29.214 Rx Interface for Policy and Charging Control
- TS 29.500 5G Service Based Architecture
- TR 21.905 3GPP Terminology and Definitions
- TS 23.380 IMS Restoration Procedures
- TS 23.228 IP Multimedia Core Network Subsystem
- TS 23.007 Restoration procedures
- TS 29.228 IMS Cx and Dx Interface Procedures
- TS 24.229 IMS SIP/SDP Call Control Protocol
- TS 23.503 5G Policy and Charging Control Framework
- TS 33.203 IMS Security Features and Mechanisms
Other specifications in the 29 series
- TR 29.857 Study on Reducing SBI Information Exposure
- TR 29.863 IMS-CS Multimedia Interworking Feasibility Study
- TR 29.864 Application Server Service Data Definition for IMS Telephony
- TR 29.865 Inter-IMS Network to Network Interface (II-NNI)
- TR 29.867 IMS Resiliency Enhancement Study
- TR 29.882 Customized Alerting Tones in CS Domain
- TR 29.889 Study on UPF data collection for AI/ML
- TR 29.890 CT3 5G System Technical Report
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TR 29.866?
3GPP TR 29.866 is the 3GPP Technical Report for IMS Disaster Prevention & Restoration Enhancement. Studies enhancements for IMS disaster prevention and restoration to increase system stability, focusing on HSS/UDM, PCRF/PCF failures and overload scenarios.
Which 3GPP releases include TR 29.866?
TR 29.866 is published in 2 releases, from Rel-18 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TR 29.866 belong to?
TR 29.866 belongs to the Services (IMS) category of 3GPP specifications. It applies to Multi-Gen networks.
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