The Unified CM partition holding Webex destinations must be added to every calling search space that needs to reach Webex, including the calling search space of the inbound PSTN trunk.

Checked 2026-09-24

Vendor
Cisco
Product
Unified CM
Subsystem
class of service
Deployment
on-premises
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Building a hybrid Unified CM and Webex Calling environment for a phased migration: source note cucm-webex-calling-hybrid-build-webex-partition-all-css. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-calling-hybrid-build-webex-partition-all-css

BibTeX

@misc{warmtransfer-claim-cucm-webex-calling-hybrid-build-webex-partition-all-css,
  title  = {Building a hybrid Unified CM and Webex Calling environment for a phased migration: source note cucm-webex-calling-hybrid-build-webex-partition-all-css},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-webex-calling-hybrid-build-webex-partition-all-css},
  note   = {Source note cucm-webex-calling-hybrid-build-webex-partition-all-css, checked 2026-09-24}
}

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