Rel-19 Services Multi-Gen Intermediate

TS 26.226 – Cellular Text Telephone Modem (CTM)

Specifies CTM for reliable text transmission over cellular speech channels, enabling text telephony for emergency calls and accessibility.

Release

Rel-19

What is TS 26.226?

TS 26.226 (Rel-19) — Cellular Text Telephone Modem (CTM). Specifies CTM for reliable text transmission over cellular speech channels, enabling text telephony for emergency calls and accessibility. Primary function: Protocol Definition. Category: Services (Accessibility). Technology generation: Multi-Gen. Network layer: Services.

Who should read this specification?

Device manufacturers
Network operators
Regulators and standards bodies

Implementation notes

Complexity level: Intermediate. Implementation difficulty: Medium.

Key Technologies

GSMUMTS

Related Glossary Terms

TS ITU-T FN UMTS PSTN COND CTM ANSI SPE UTF-8 IWF UL

Frequently Asked Questions

What is 3GPP TS 26.226?

3GPP TS 26.226 (Rel-19) is the 3GPP specification for Cellular Text Telephone Modem (CTM). Specifies CTM for reliable text transmission over cellular speech channels, enabling text telephony for emergency calls and accessibility.

Which 3GPP release is TS 26.226 part of?

TS 26.226 is part of 3GPP Rel-19. The latest known version on 3GPP Explorer is j00.

What does TS 26.226 specify?

Protocol Definition.

What category does TS 26.226 belong to?

TS 26.226 belongs to the Services (Accessibility) category of 3GPP specifications. It applies to Multi-Gen networks.

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