Source note · IVR design practices
Revised Section 508 Standards / Section 255 Guidelines provision 412.8.4 requires that, where provided, voice mail, auto-attendant, interactive voice response and caller identification systems be usable with a TTY.
Checked 2026-09-25
Where provided, voice mail, auto-attendant, interactive voice response, and caller identification systems shall be usable with a TTY.
- Vendor
- US Access Board
- Product
- ICT with two-way voice communication
- Subsystem
- accessibility
- Deployment
- any
- Region
- us
- Release range
- Revised 508 Standards (final rule 2017, corrected 2018)
- Checked
- 2026-09-25
Sources
- Revised 508 Standards and 255 Guidelines — U.S. Access Board · tier 1 standards and regulators · 412.8.4 Voice Mail and Other Messaging Systems
Cite this note
APA
WarmTransfer. (2026, September 25). IVR design practices: source note ivr-design-practices-508-ivr-tty. WarmTransfer. https://warmtransfer.net/knowledge/claims/ivr-design-practices-508-ivr-tty
BibTeX
@misc{warmtransfer-claim-ivr-design-practices-508-ivr-tty,
title = {IVR design practices: source note ivr-design-practices-508-ivr-tty},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ivr-design-practices-508-ivr-tty},
note = {Source note ivr-design-practices-508-ivr-tty, checked 2026-09-25}
}