Cisco's CUBE DTMF tech note uses debug voip rtp session named-event to show RFC 2833 digit transmission and debug ccsip messages to show SIP DTMF capability advertisement.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco Unified Border Element
- Subsystem
- DTMF relay verification
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Configure DTMF Relay on CUBE — Cisco Systems · tier 2 current vendor documentation · troubleshooting and debug sections
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting DTMF digits not detected in Webex Contact Center flows: source note wxcc-dtmf-troubleshooting-ios-debug-named-event. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-dtmf-troubleshooting-ios-debug-named-event
BibTeX
@misc{warmtransfer-claim-wxcc-dtmf-troubleshooting-ios-debug-named-event,
title = {Troubleshooting DTMF digits not detected in Webex Contact Center flows: source note wxcc-dtmf-troubleshooting-ios-debug-named-event},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxcc-dtmf-troubleshooting-ios-debug-named-event},
note = {Source note wxcc-dtmf-troubleshooting-ios-debug-named-event, checked 2026-10-02}
}