The TDM transition guide assigns the CUBE two simultaneous roles in the hybrid deployment: PSTN access and Webex Contact Center interoperation, including letting Webex Contact Center reach Unified CM.

Checked 2026-09-22

Vendor
Cisco
Product
Cisco Unified Border Element
Subsystem
pstn-connectivity
Deployment
hybrid
Region
not restricted
Release range
guide dated 2021-09
Checked
2026-09-22

Sources

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-tdm-cube-dual-role. WarmTransfer. https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-tdm-cube-dual-role

BibTeX

@misc{warmtransfer-claim-uccx-to-webex-cc-telephony-coexistence-tdm-cube-dual-role,
  title  = {Telephony during a UCCX to Webex Contact Center migration: source note uccx-to-webex-cc-telephony-coexistence-tdm-cube-dual-role},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-tdm-cube-dual-role},
  note   = {Source note uccx-to-webex-cc-telephony-coexistence-tdm-cube-dual-role, checked 2026-09-22}
}

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