TS 26.230 – CTM C Code Implementation for Text Transmission
3GPP TS 26.230 is the 3GPP Technical Specification for CTM C Code Implementation for Text Transmission. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Provides bit-exact ANSI-C code for Cellular Text Telephone Modem enabling reliable text transmission over cellular speech channels using Baudot encoding.
Releases and versions of TS 26.230
| 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 26.230
Category: Services (Accessibility Services). Technology generation: Multi-Gen. Network layer: Services.
Who should read this specification?
- Device manufacturers
- Network operators
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: Medium.
Key technologies
Specifications that reference TS 26.230
Other specifications in the 26 series
- TS 26.202 AMR-WB Speech Codec Mapping Specification
- TS 26.204 AMR-WB Floating-Point Codec Specification
- TS 26.223 IMS Telepresence Client Specification
- TS 26.226 Cellular Text Telephone Modem (CTM)
- TS 26.231 CTM Minimum Performance Requirements Testing
- TS 26.233 3GPP Packet-Switched Streaming Service (PSS)
- TS 26.234 3GPP PSS Protocols and Codecs Specification
- TS 26.235 Default Codecs for 3GPP IP Multimedia Subsystem
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 26.230?
3GPP TS 26.230 is the 3GPP Technical Specification for CTM C Code Implementation for Text Transmission. Provides bit-exact ANSI-C code for Cellular Text Telephone Modem enabling reliable text transmission over cellular speech channels using Baudot encoding.
Which 3GPP releases include TS 26.230?
TS 26.230 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 26.230 belong to?
TS 26.230 belongs to the Services (Accessibility Services) category of 3GPP specifications. It applies to Multi-Gen networks.
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