TS 23.379 – Mission Critical Push-to-Talk Architecture
3GPP TS 23.379 is the 3GPP Technical Specification for Mission Critical Push-to-Talk Architecture. Its official 3GPP title is “Functional architecture and information flows to support”. It is published in 7 releases (Rel-14 to Rel-20); the latest version is 20.4.0 in Rel-20.
Defines the architecture, procedures, and information flows for MCPTT group and private calls over LTE, including on-network, off-network, and inter-system operation.
Releases and versions of TS 23.379
| Release | Latest version | Links |
|---|---|---|
| Rel-20 | 20.4.0 | Read · Download (3GPP) |
| Rel-19 | 19.11.0 | Read · Download (3GPP) |
| Rel-18 | 18.16.0 | Read · Download (3GPP) |
| Rel-17 | 17.11.0 | Read · Download (3GPP) |
| Rel-16 | 16.6.1 | Read · Download (3GPP) |
| Rel-15 | 15.6.0 | Read · Download (3GPP) |
| Rel-14 | 14.7.0 | Read · Download (3GPP) |
Scope of TS 23.379
Category: Services (Mission Critical Communications). Technology generation: 4G. Network layer: Services.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: High.
Key technologies
Specifications referenced by TS 23.379
- TS 29.468 MB2 Reference Point Protocol Definition
- TS 36.331 E-UTRA Radio Resource Control (RRC) Protocol
- TS 23.280 Common Functional Architecture for Mission Critical Services
- TS 22.280 Mission Critical Services Common Requirements (MCCoRe)
- TS 29.283 Diameter-based MC service user database interfaces
- TS 33.180 Security of the Mission Critical Service (MCX)
- TR 21.905 3GPP Terminology and Definitions
- TS 23.283 Mission Critical Communication Interworking
- TS 22.179 MCPTT Service Requirements
- TS 23.002 3GPP System Architecture Overview
- TS 23.203 Policy and Charging Control Architecture
- TS 23.228 IP Multimedia Core Network Subsystem
Specifications that reference TS 23.379
- TS 23.501 5G System Architecture
- TS 23.247 5G Multicast and Broadcast Services
- TS 29.214 Rx Interface for Policy and Charging Control
- TS 23.280 Common Functional Architecture for Mission Critical Services
- TS 23.434 Service Enabler Architecture Layer (SEAL) for Verticals
- TS 23.700 Study on SEAL Phase 4
- TS 33.180 Security of the Mission Critical Service (MCX)
- TS 24.379 MCPTT Call Control Protocol
- TS 23.282 Mission Critical Data Functional Architecture
- TS 24.484 Mission Critical Services Configuration Management
- TS 24.481 MCS Group Management Protocol
- TS 24.380 MCPTT Media Plane Control Protocols
Other specifications in the 23 series
- TS 23.366 SEAL Energy Saving Enablement
- TS 23.367 5G Application Energy Information Architecture
- TS 23.369 5GS Architecture for Ambient IoT
- TS 23.370 Ambient IoT Enablement Architecture
- TS 23.380 IMS Restoration Procedures
- TS 23.392 MMTel Enabler Architecture and Procedures
- TS 23.401 Evolved Packet System Architecture
- TS 23.402 EPC for Non-3GPP Access (PMIP)
Frequently asked questions
What is 3GPP TS 23.379?
3GPP TS 23.379 is the 3GPP Technical Specification for Mission Critical Push-to-Talk Architecture. Defines the architecture, procedures, and information flows for MCPTT group and private calls over LTE, including on-network, off-network, and inter-system operation.
Which 3GPP releases include TS 23.379?
TS 23.379 is published in 7 releases, from Rel-14 to Rel-20. The latest version on 3GPP Explorer is 20.4.0 (Rel-20).
What category does TS 23.379 belong to?
TS 23.379 belongs to the Services (Mission Critical Communications) category of 3GPP specifications. It applies to 4G networks.
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