Source note · Modernizing a DTMF IVR to conversational AI
The Lex V2 silence timeout x-amz-lex:audio:end-timeout-ms, the wait after the caller stops speaking before the utterance is treated as finished, defaults to 600 milliseconds.
Checked 2026-09-30
- Vendor
- Amazon Web Services
- Product
- Amazon Lex V2
- Subsystem
- session-attributes
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Configuring timeouts for capturing user input with a Lex V2 bot — Amazon Web Services · tier 2 current vendor documentation · Set the timeouts for voice input > Silence timeout
Cite this note
APA
WarmTransfer. (2026, September 30). Modernizing a DTMF IVR to conversational AI: source note ivr-modernization-lexv2-end-silence-600. WarmTransfer. https://warmtransfer.net/knowledge/claims/ivr-modernization-lexv2-end-silence-600
BibTeX
@misc{warmtransfer-claim-ivr-modernization-lexv2-end-silence-600,
title = {Modernizing a DTMF IVR to conversational AI: source note ivr-modernization-lexv2-end-silence-600},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ivr-modernization-lexv2-end-silence-600},
note = {Source note ivr-modernization-lexv2-end-silence-600, checked 2026-09-30}
}