Webex Contact Center does not support SIP Early Media on PSTN ingress.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Webex Contact Center
- Subsystem
- voice ingress signalling
- 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', SIP Early Media row
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting DTMF digits not detected in Webex Contact Center flows: source note wxcc-dtmf-troubleshooting-no-early-media. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-dtmf-troubleshooting-no-early-media
BibTeX
@misc{warmtransfer-claim-wxcc-dtmf-troubleshooting-no-early-media,
title = {Troubleshooting DTMF digits not detected in Webex Contact Center flows: source note wxcc-dtmf-troubleshooting-no-early-media},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxcc-dtmf-troubleshooting-no-early-media},
note = {Source note wxcc-dtmf-troubleshooting-no-early-media, checked 2026-10-02}
}