TS 23.237 – IMS Service Continuity (ISC) Stage 2
3GPP TS 23.237 is the 3GPP Technical Specification for IMS Service Continuity (ISC) Stage 2. Its official 3GPP title is “IP Multimedia Subsystem (IMS) Service Continuity”. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Architectural requirements & procedures for IMS service continuity, covering access transfer (PS-CS/PS-PS) & inter-UE transfer.
Releases and versions of TS 23.237
| 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 | 16.4.0 | Read · Download (3GPP) |
| Rel-15 | 15.2.0 | Read · Download (3GPP) |
| Rel-14 | 14.2.0 | Read · Download (3GPP) |
| Rel-13 | 13.1.0 | Read · Download (3GPP) |
| Rel-12 | 12.10.0 | Read · Download (3GPP) |
| Rel-11 | 11.11.0 | Read · Download (3GPP) |
| Rel-10 | 10.13.0 | Read · Download (3GPP) |
| Rel-9 | 9.10.0 | Read · Download (3GPP) |
| Rel-8 | 8.7.0 | Read · Download (3GPP) |
Scope of TS 23.237
Category: Services (IMS). Technology generation: Multi-Gen. Network layer: Services.
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 TS 23.237
- TS 23.216 SRVCC Architecture Enhancements
- TS 33.102 3G Security Architecture Specification
- TS 33.203 IMS Security Features and Mechanisms
- TS 23.218 IMS Call Model Specification
- TS 23.003 Numbering, Addressing and Identification
- TS 22.173 IMS Multimedia Telephony Service Definition
- TS 24.610 Communication Hold (HOLD) Service Protocol
- TS 24.605 3GPP CONF Service Protocol Specification
- TS 24.629 Explicit Communication Transfer (ECT) Protocol
- TS 24.647 Advice of Charge (AOC) service protocol
- TR 21.905 3GPP Terminology and Definitions
- TS 24.616 Malicious Call Identification (MCID) Protocol
Specifications that reference TS 23.237
- TS 23.228 IP Multimedia Core Network Subsystem
- TS 26.114 IMS Multimedia Telephony Client
- TS 23.002 3GPP System Architecture Overview
- TS 23.216 SRVCC Architecture Enhancements
- TS 23.271 LCS Stage 2 Specification
- TS 23.221 3GPP System Architectural Requirements
- TS 23.280 Common Functional Architecture for Mission Critical Services
- TS 32.260 IMS Charging Management
- TS 23.167 IMS Emergency Services
- TS 23.700 Study on SEAL Phase 4
- TS 23.292 IMS Centralized Services (ICS) Architecture
- TS 23.379 Mission Critical Push-to-Talk Architecture
Other specifications in the 23 series
- TS 23.228 IP Multimedia Core Network Subsystem
- TS 23.231 SIP-I based CS core network stage 2
- TS 23.234 3GPP-WLAN Interworking Index
- TS 23.236 Intra Domain Connection of RAN Nodes to Multiple CN Nodes
- TS 23.240 3GPP Generic User Profile (GUP) Architecture
- TS 23.241 Data Description Method for Generic User Profile
- TS 23.246 MBMS Bearer Service Stage 2 Description
- TS 23.247 5G Multicast and Broadcast Services
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 23.237?
3GPP TS 23.237 is the 3GPP Technical Specification for IMS Service Continuity (ISC) Stage 2. Architectural requirements & procedures for IMS service continuity, covering access transfer (PS-CS/PS-PS) & inter-UE transfer.
Which 3GPP releases include TS 23.237?
TS 23.237 is published in 12 releases, from Rel-8 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 23.237 belong to?
TS 23.237 belongs to the Services (IMS) category of 3GPP specifications. It applies to Multi-Gen networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →