CUBE lists G.711 audio, meaning audible tones carried in the voice stream, as an in-band DTMF method that is enabled by default.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco Unified Border Element
- Subsystem
- DTMF relay
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Cisco IOS XE 17.6 onwards
- Checked
- 2026-10-02
Sources
- Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - DTMF Relay — Cisco Systems · tier 2 current vendor documentation · chapter 'DTMF Relay', in-band methods list, G711 audio entry
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting DTMF digits not detected in Webex Contact Center flows: source note wxcc-dtmf-troubleshooting-cube-g711-inband. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-dtmf-troubleshooting-cube-g711-inband
BibTeX
@misc{warmtransfer-claim-wxcc-dtmf-troubleshooting-cube-g711-inband,
title = {Troubleshooting DTMF digits not detected in Webex Contact Center flows: source note wxcc-dtmf-troubleshooting-cube-g711-inband},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxcc-dtmf-troubleshooting-cube-g711-inband},
note = {Source note wxcc-dtmf-troubleshooting-cube-g711-inband, checked 2026-10-02}
}