TS 26.111 – 3G-324M Terminal Specification for CS Multimedia
3GPP TS 26.111 is the 3GPP Technical Specification for 3G-324M Terminal Specification for CS Multimedia. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies modifications to ITU-T H.324 for circuit-switched multimedia telephony in 3GPP networks, focusing on codecs and multiplexing.
Releases and versions of TS 26.111
| 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 | 12.0.0 | Read · Download (3GPP) |
| Rel-11 | 11.0.0 | Read · Download (3GPP) |
| Rel-10 | 10.0.0 | Read · Download (3GPP) |
| Rel-9 | 9.0.0 | Read · Download (3GPP) |
| Rel-8 | 8.0.0 | Read · Download (3GPP) |
Scope of TS 26.111
Category: Services (Multimedia Telephony). Technology generation: 3G. Network layer: UE.
Who should read this specification?
- Device manufacturers
- Network operators
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 26.111
- TS 26.110 3G-324M Multimedia Codecs for Circuit Switched Networks
- TR 26.911 Codec for CS Multimedia Telephony
- TS 26.071 AMR Speech Codec Introduction
- TS 26.090 AMR Speech Codec Detailed Mapping Specification
- TS 26.073 AMR Speech Codec ANSI-C Implementation
- TS 26.171 Introduction to AMR-WB Speech Processing
- TS 26.201 AMR-WB Speech Codec Frame Format
Specifications that reference TS 26.111
- TS 24.008 NAS Call, Mobility and Session Procedures
- TS 26.114 IMS Multimedia Telephony Client
- TS 23.216 SRVCC Architecture Enhancements
- TS 23.237 IMS Service Continuity (ISC) Stage 2
- TS 29.007 PLMN-PSTN/ISDN Interworking Requirements
- TS 29.163 Interworking between 3GPP IM CN and CS networks
- TS 24.237 IMS Service Continuity Protocol Details
- TS 26.110 3G-324M Multimedia Codecs for Circuit Switched Networks
- TR 26.911 Codec for CS Multimedia Telephony
- TR 26.902 Video Codec Performance for 3GPP Packet Services
- TR 22.903 CS Videotelephony Service Analysis
Other specifications in the 26 series
- TS 26.102 Mapping of AMR and other codecs to interfaces
- TS 26.103 3GPP Codec Lists for OoBTC and TrFO
- TS 26.104 AMR Floating-Point Codec Specification
- TS 26.110 3G-324M Multimedia Codecs for Circuit Switched Networks
- TS 26.113 Real-Time Media Communication Protocols and APIs
- TS 26.114 IMS Multimedia Telephony Client
- TS 26.115 Echo control for speech and multimedia services
- TS 26.116 TV Video Formats for 3GPP Services
Related glossary terms
Frequently asked questions
What is 3GPP TS 26.111?
3GPP TS 26.111 is the 3GPP Technical Specification for 3G-324M Terminal Specification for CS Multimedia. Specifies modifications to ITU-T H.324 for circuit-switched multimedia telephony in 3GPP networks, focusing on codecs and multiplexing.
Which 3GPP releases include TS 26.111?
TS 26.111 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 26.111 belong to?
TS 26.111 belongs to the Services (Multimedia Telephony) category of 3GPP specifications. It applies to 3G networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →