DTMF input passed from Connect to a Lex bot is exposed to the bot as the request attribute x-amz-lex:dtmf-transcript, up to 1,024 characters; input ending with the deletion character yields a transcript of [DEL].

Checked 2026-09-25

Vendor
AWS
Product
Amazon Connect with Amazon Lex
Subsystem
DTMF
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Amazon Lex bots in Amazon Connect: source note amazon-connect-lex-bots-dtmf-transcript-attr. WarmTransfer. https://warmtransfer.net/knowledge/claims/amazon-connect-lex-bots-dtmf-transcript-attr

BibTeX

@misc{warmtransfer-claim-amazon-connect-lex-bots-dtmf-transcript-attr,
  title  = {Amazon Lex bots in Amazon Connect: source note amazon-connect-lex-bots-dtmf-transcript-attr},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/amazon-connect-lex-bots-dtmf-transcript-attr},
  note   = {Source note amazon-connect-lex-bots-dtmf-transcript-attr, checked 2026-09-25}
}

Read in context