Cisco recommends verifying during the Prepare phase which Unified CM registered phones are eligible to upgrade to Multiplatform firmware, so that ineligible phones can be replaced or an alternative plan identified before cutover.

Checked 2026-09-16

Vendor
Cisco
Product
not restricted
Subsystem
Unified CM to Webex Calling migration
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-16
Checked
2026-09-16

Sources

Cite this note

APA

WarmTransfer. (2026, September 16). CUCM to Webex Calling migration: source note ucm-wxc-prepare-check-mpp-eligibility-early. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucm-wxc-prepare-check-mpp-eligibility-early

BibTeX

@misc{warmtransfer-claim-ucm-wxc-prepare-check-mpp-eligibility-early,
  title  = {CUCM to Webex Calling migration: source note ucm-wxc-prepare-check-mpp-eligibility-early},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/ucm-wxc-prepare-check-mpp-eligibility-early},
  note   = {Source note ucm-wxc-prepare-check-mpp-eligibility-early, checked 2026-09-16}
}

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