Webex Contact Center's PSTN media and signalling requirements list RFC2833 as the DTMF method for calls arriving at Webex Contact Center.
Checked 2026-10-02
DTMF: RFC2833
- Vendor
- Cisco
- Product
- Webex Contact Center
- Subsystem
- voice ingress media
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Set up voice channels for Webex Contact Center — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · section 'PSTN Media and Signaling Requirements for Webex Contact Center', DTMF row
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting DTMF digits not detected in Webex Contact Center flows: source note wxcc-dtmf-troubleshooting-pstn-dtmf-rfc2833. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-dtmf-troubleshooting-pstn-dtmf-rfc2833
BibTeX
@misc{warmtransfer-claim-wxcc-dtmf-troubleshooting-pstn-dtmf-rfc2833,
title = {Troubleshooting DTMF digits not detected in Webex Contact Center flows: source note wxcc-dtmf-troubleshooting-pstn-dtmf-rfc2833},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxcc-dtmf-troubleshooting-pstn-dtmf-rfc2833},
note = {Source note wxcc-dtmf-troubleshooting-pstn-dtmf-rfc2833, checked 2026-10-02}
}