TR 33.856 – Security for 5G to 3G Voice Continuity
3GPP TR 33.856 is the 3GPP Technical Report for Security for 5G to 3G Voice Continuity. It is published in 2 releases (Rel-15 to Rel-16); the latest version is 16.1.0 in Rel-16.
Studies security aspects for single radio voice call continuity from 5G to UTRAN CS, including key derivation, emergency calls, and capability protection.
Releases and versions of TR 33.856
| Release | Latest version | Links |
|---|---|---|
| Rel-16 | 16.1.0 | Read · Download (3GPP) |
| Rel-15 | 0.2.0 | Read · Download (3GPP) |
Scope of TR 33.856
Category: Security (Authentication). Technology generation: Multi-Gen. Network layer: Security.
Who should read this specification?
- Network operators
- Device manufacturers
Implementation notes
Complexity level: Advanced. Implementation difficulty: Medium.
Key technologies
Other specifications in the 33 series
- TR 33.851 Security for Industrial IoT in 5G
- TR 33.853 Study on User Plane Integrity Protection
- TR 33.854 Security aspects of Uncrewed Aerial Systems
- TR 33.855 Security of 5G Service-Based Architecture
- TR 33.857 Enhanced Security for Non-Public Networks
- TR 33.858 Study on security aspects of enhanced support of
- TR 33.859 UTRAN Key Hierarchy Enhancement Study
- TR 33.860 EGPRS Access Security Study for Cellular IoT
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TR 33.856?
3GPP TR 33.856 is the 3GPP Technical Report for Security for 5G to 3G Voice Continuity. Studies security aspects for single radio voice call continuity from 5G to UTRAN CS, including key derivation, emergency calls, and capability protection.
Which 3GPP releases include TR 33.856?
TR 33.856 is published in 2 releases, from Rel-15 to Rel-16. The latest version on 3GPP Explorer is 16.1.0 (Rel-16).
What category does TR 33.856 belong to?
TR 33.856 belongs to the Security (Authentication) category of 3GPP specifications. It applies to Multi-Gen networks.
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