Webex Contact Center specifies a 20 ms packetization timer in the SIP SDP for PSTN ingress.
Checked 2026-10-02
Packetization Timer in SIP SDP: 20ms
- 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', Packetization Timer row
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting DTMF digits not detected in Webex Contact Center flows: source note wxcc-dtmf-troubleshooting-ptime-20ms. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-dtmf-troubleshooting-ptime-20ms
BibTeX
@misc{warmtransfer-claim-wxcc-dtmf-troubleshooting-ptime-20ms,
title = {Troubleshooting DTMF digits not detected in Webex Contact Center flows: source note wxcc-dtmf-troubleshooting-ptime-20ms},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxcc-dtmf-troubleshooting-ptime-20ms},
note = {Source note wxcc-dtmf-troubleshooting-ptime-20ms, checked 2026-10-02}
}