TS 23.167 – IMS Emergency Services
3GPP TS 23.167 is the 3GPP Technical Specification for IMS Emergency Services. Its official 3GPP title is “IP Multimedia Subsystem (IMS) emergency sessions”. It is published in 14 releases (Rel-7 to Rel-20); the latest version is 20.1.0 in Rel-20.
Defines the IMS stage 2 architecture and procedures for emergency calls, location delivery, PSAP routing, and NG-eCall across 3GPP access networks.
Releases and versions of TS 23.167
| Release | Latest version | Links |
|---|---|---|
| Rel-20 | 20.1.0 | Read · Download (3GPP) |
| Rel-19 | 19.2.0 | Read · Download (3GPP) |
| Rel-18 | 18.2.0 | Read · Download (3GPP) |
| Rel-17 | 17.2.0 | Read · Download (3GPP) |
| Rel-16 | 16.4.0 | Read · Download (3GPP) |
| Rel-15 | 15.7.0 | Read · Download (3GPP) |
| Rel-14 | 14.6.0 | Read · Download (3GPP) |
| Rel-13 | 13.2.0 | Read · Download (3GPP) |
| Rel-12 | 12.1.0 | Read · Download (3GPP) |
| Rel-11 | 11.11.0 | Read · Download (3GPP) |
| Rel-10 | 10.11.0 | Read · Download (3GPP) |
| Rel-9 | 9.14.0 | Read · Download (3GPP) |
| Rel-8 | 8.6.0 | Read · Download (3GPP) |
| Rel-7 | 7.13.0 | Read · Download (3GPP) |
Scope of TS 23.167
Primary function: Service Architecture and Procedures. Category: Services (IMS Emergency Services). Technology generation: Multi-Gen. Network layer: Services.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
- Researchers and academics
Implementation notes
Complexity level: Expert. Implementation difficulty: High.
Key technologies
Specifications referenced by TS 23.167
- TR 21.905 3GPP Terminology and Definitions
- TS 23.002 3GPP System Architecture Overview
- TS 24.008 NAS Call, Mobility and Session Procedures
- TS 24.229 IMS SIP/SDP Call Control Protocol
- TS 23.228 IP Multimedia Core Network Subsystem
- TS 23.203 Policy and Charging Control Architecture
- TS 23.003 Numbering, Addressing and Identification
- TS 22.003 Circuit Teleservices in PLMN
- TS 22.228 IP Multimedia Service Requirements
- TS 23.401 Evolved Packet System Architecture
- TS 23.402 EPC for Non-3GPP Access (PMIP)
- TS 23.060 GPRS Stage 2 Service Description
Specifications that reference TS 23.167
- TS 23.501 5G System Architecture
- TS 23.502 5G System Procedures
- TS 24.008 NAS Call, Mobility and Session Procedures
- TS 23.401 Evolved Packet System Architecture
- TS 23.228 IP Multimedia Core Network Subsystem
- TS 23.203 Policy and Charging Control Architecture
- TS 24.501 5GS NAS Protocol Specification
- TS 23.503 5G Policy and Charging Control Framework
- TS 23.002 3GPP System Architecture Overview
- TS 24.301 EPS NAS Mobility and Session Management
- TS 23.402 EPC for Non-3GPP Access (PMIP)
- TS 33.102 3G Security Architecture Specification
Other specifications in the 23 series
- TS 23.142 VAS for SMS Stage 2 Specification
- TS 23.146 3G Facsimile Group 3 Technical Realization
- TS 23.153 Out-of-Band Transcoder Control Stage 2
- TS 23.161 Network-based IP Flow Mobility (NBIFOM)
- TS 23.171 Location Services Stage 2 Specification
- TS 23.172 Service Change and UDI Fallback (SCUDIF)
- TS 23.179 MCPTT Functional Architecture
- TS 23.180 Mission Critical Services in IOPS Mode
Frequently asked questions
What is 3GPP TS 23.167?
3GPP TS 23.167 is the 3GPP Technical Specification for IMS Emergency Services. Defines the IMS stage 2 architecture and procedures for emergency calls, location delivery, PSAP routing, and NG-eCall across 3GPP access networks.
Which 3GPP releases include TS 23.167?
TS 23.167 is published in 14 releases, from Rel-7 to Rel-20. The latest version on 3GPP Explorer is 20.1.0 (Rel-20).
What does TS 23.167 specify?
Service Architecture and Procedures.
What category does TS 23.167 belong to?
TS 23.167 belongs to the Services (IMS Emergency Services) category of 3GPP specifications. It applies to Multi-Gen networks.
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