TS 23.218 – IMS Call Model Specification
3GPP TS 23.218 is the 3GPP Technical Specification for IMS Call Model Specification. Its official 3GPP title is “IP Multimedia (IM) session handling”. It is published in 17 releases (Rel-2 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies the IP Multimedia (IM) call model for session origination/termination, including Application Server interactions.
Releases and versions of TS 23.218
| 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 | 14.0.0 | Read · Download (3GPP) |
| Rel-13 | 13.0.0 | Read · Download (3GPP) |
| Rel-12 | 12.3.0 | Read · Download (3GPP) |
| Rel-11 | 11.6.0 | Read · Download (3GPP) |
| Rel-10 | 10.0.0 | Read · Download (3GPP) |
| Rel-9 | 9.2.0 | Read · Download (3GPP) |
| Rel-8 | 8.6.0 | Read · Download (3GPP) |
| Rel-7 | 7.10.0 | Read · Download (3GPP) |
| Rel-6 | 6.4.0 | Read · Download (3GPP) |
| Rel-5 | 5.9.0 | Read · Download (3GPP) |
| R99 | 1100 | Read · Download (3GPP) |
| Rel-2 | 1200 | Read · Download (3GPP) |
Scope of TS 23.218
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 23.218
- TS 23.008 Organization of Subscriber Data
- TS 33.203 IMS Security Features and Mechanisms
- 29.198 Open Service Access (OSA); Application programming Interface (API)
- TS 29.078 CAMEL Phase 4 CAP Specification
- TS 29.002 Mobile Application Part (MAP) Specification
- TS 29.229 Diameter Protocol for Cx/Dx Interfaces
- TS 29.328 IMS Sh, Dh and Ph Interface Procedures
- TS 29.329 Diameter Protocol for Sh Interface
- TS 32.240 3GPP Charging Architecture and Principles
- TS 32.260 IMS Charging Management
- TS 24.147 IMS Conferencing Protocol Details
- TS 24.247 IMS Messaging Protocol Specification
Specifications that reference TS 23.218
- TS 24.229 IMS SIP/SDP Call Control Protocol
- TS 23.228 IP Multimedia Core Network Subsystem
- TS 23.002 3GPP System Architecture Overview
- TS 32.422 Trace, MDT and UE Measurement Control
- TS 29.228 IMS Cx and Dx Interface Procedures
- TS 32.260 IMS Charging Management
- TS 23.237 IMS Service Continuity (ISC) Stage 2
- TS 23.292 IMS Centralized Services (ICS) Architecture
- TS 24.147 IMS Conferencing Protocol Details
- TS 29.328 IMS Sh, Dh and Ph Interface Procedures
- TS 24.237 IMS Service Continuity Protocol Details
- TS 23.141 Presence Service Stage 2 Architecture
Other specifications in the 23 series
- TS 23.206 Voice Call Continuity (VCC) Functional Architecture
- TS 23.207 End-to-End QoS Framework for GPRS
- TS 23.214 Control and User Plane Separation for EPC
- TS 23.216 SRVCC Architecture Enhancements
- TS 23.221 3GPP System Architectural Requirements
- TS 23.222 Common API Framework (CAPIF)
- TS 23.226 Global Text Telephony (GTT) Stage 2
- TS 23.227 UE Resource Scheduling and Application Management
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 23.218?
3GPP TS 23.218 is the 3GPP Technical Specification for IMS Call Model Specification. Specifies the IP Multimedia (IM) call model for session origination/termination, including Application Server interactions.
Which 3GPP releases include TS 23.218?
TS 23.218 is published in 17 releases, from Rel-2 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 23.218 belong to?
TS 23.218 belongs to the Services (IMS) category of 3GPP specifications. It applies to Multi-Gen networks.
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