The TDM transition guide states that CUBE and optionally Cisco Unified SIP Proxy provide PSTN access in the transition architecture.
Checked 2026-09-22
CUBE and optionally Cisco Unified SIP Proxy (CUSP) provide PSTN access.
- Vendor
- Cisco
- Product
- Cisco Unified Border Element
- Subsystem
- pstn-connectivity
- Deployment
- hybrid, on-premises
- Region
- not restricted
- Release range
- guide dated 2021-09
- Checked
- 2026-09-22
Sources
- Collaboration Transitions: Contact Center: Transitioning from Unified Contact Center Express to Webex Contact Center — Cisco Systems, Inc. · tier 2 current vendor documentation · architecture scope section
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-cusp-optional. WarmTransfer. https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-cusp-optional
BibTeX
@misc{warmtransfer-claim-uccx-to-webex-cc-telephony-coexistence-cusp-optional,
title = {Telephony during a UCCX to Webex Contact Center migration: source note uccx-to-webex-cc-telephony-coexistence-cusp-optional},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-cusp-optional},
note = {Source note uccx-to-webex-cc-telephony-coexistence-cusp-optional, checked 2026-09-22}
}