The 2021 transition guide states that when on-premises Unified CM call control is retained, the only supported codec between the on-premises CUBE and the Webex Contact Center vPOP is G.711, requiring 80 kbps per call.
Checked 2026-09-22
- Vendor
- Cisco
- Product
- Webex Contact Center
- Subsystem
- media
- Deployment
- hybrid
- Region
- not restricted
- Release range
- guide dated 2021-09; vPOP era
- Checked
- 2026-09-22
Sources
- Contact Center: Transitioning from Unified Contact Center Express to Webex Contact Center Deployment Guide — Cisco Systems, Inc. · tier 2 current vendor documentation · pre-transition step 4, "Perform network readiness assessment"
Cite this note
APA
WarmTransfer. (2026, September 22). Telephony during a UCCX to Webex Contact Center migration: source note uccx-to-webex-cc-telephony-coexistence-cube-vpop-g711. WarmTransfer. https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-cube-vpop-g711
BibTeX
@misc{warmtransfer-claim-uccx-to-webex-cc-telephony-coexistence-cube-vpop-g711,
title = {Telephony during a UCCX to Webex Contact Center migration: source note uccx-to-webex-cc-telephony-coexistence-cube-vpop-g711},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-cube-vpop-g711},
note = {Source note uccx-to-webex-cc-telephony-coexistence-cube-vpop-g711, checked 2026-09-22}
}