TS 24.279 – Combined CS Calls and IMS Sessions
3GPP TS 24.279 is the 3GPP Technical Specification for Combined CS Calls and IMS Sessions. It is published in 13 releases (Rel-7 to Rel-19); the latest version is 19.0.0 in Rel-19.
Technical realization for combining Circuit Switched calls and IP Multimedia Subsystem sessions between same users.
Releases and versions of TS 24.279
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.0.0 | Read · Download (3GPP) |
| Rel-17 | 17.0.0 | Read · Download (3GPP) |
| Rel-16 | 16.0.0 | Read · Download (3GPP) |
| Rel-15 | 15.0.0 | Read · Download (3GPP) |
| Rel-14 | 14.1.0 | Read · Download (3GPP) |
| Rel-13 | 13.1.0 | Read · Download (3GPP) |
| Rel-12 | 12.1.0 | Read · Download (3GPP) |
| Rel-11 | 11.2.0 | Read · Download (3GPP) |
| Rel-10 | 10.2.1 | Read · Download (3GPP) |
| Rel-9 | 9.2.0 | Read · Download (3GPP) |
| Rel-8 | 8.4.0 | Read · Download (3GPP) |
| Rel-7 | 7.7.0 | Read · Download (3GPP) |
Scope of TS 24.279
Category: Services (IMS). Technology generation: Multi-Gen. Network layer: Services.
Who should read this specification?
- Network operators
- Device manufacturers
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 24.279
- TS 24.247 IMS Messaging Protocol Specification
- TS 24.228 IMS SIP Signaling Flows Examples
- TS 33.203 IMS Security Features and Mechanisms
- TS 29.162 IMS-IP Network Interworking
- TS 29.328 IMS Sh, Dh and Ph Interface Procedures
- TR 21.905 3GPP Terminology and Definitions
- TS 22.279 CS and IMS Combinational Services Requirements
- TS 23.279 Combined CS and IMS Services (CSI) Architecture
- TS 24.008 NAS Call, Mobility and Session Procedures
- TS 24.229 IMS SIP/SDP Call Control Protocol
- TS 22.081 Line Identification Supplementary Services
- TS 22.087 User-to-User Signalling (UUS) Supplementary Service
Specifications that reference TS 24.279
- TS 24.008 NAS Call, Mobility and Session Procedures
Other specifications in the 24 series
- TS 24.250 Reliable Data Service Protocol Specification
- TS 24.257 UAS Application Enabler (UAE) Layer
- TS 24.259 Personal Network Management (PNM) Protocol Details
- TS 24.275 MO for MMTEL Basic Communication Part
- TS 24.281 MCVideo Signalling Control
- TS 24.282 MCData Signalling Control Protocols
- TS 24.283 Mission Critical Location Management
- TS 24.285 Allowed CSG List Management Object
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 24.279?
3GPP TS 24.279 is the 3GPP Technical Specification for Combined CS Calls and IMS Sessions. Technical realization for combining Circuit Switched calls and IP Multimedia Subsystem sessions between same users.
Which 3GPP releases include TS 24.279?
TS 24.279 is published in 13 releases, from Rel-7 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 24.279 belong to?
TS 24.279 belongs to the Services (IMS) category of 3GPP specifications. It applies to Multi-Gen networks.
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