Source note · CUCM to Webex Calling migration
Because the firmware migration article documents no procedure for reverting a phone from Multiplatform firmware back to Enterprise firmware, converting a phone should be treated as the point of no return for that device within a migration window.
inferred · 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
- Status
- inferred
- Checked
- 2026-09-16
Sources
- Migrate enterprise phone to Webex Calling phone firmware — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Whole article; absence of any revert or downgrade section
Cite this note
APA
WarmTransfer. (2026, September 16). CUCM to Webex Calling migration: source note ucm-wxc-fw-no-documented-revert. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucm-wxc-fw-no-documented-revert
BibTeX
@misc{warmtransfer-claim-ucm-wxc-fw-no-documented-revert,
title = {CUCM to Webex Calling migration: source note ucm-wxc-fw-no-documented-revert},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ucm-wxc-fw-no-documented-revert},
note = {Source note ucm-wxc-fw-no-documented-revert, checked 2026-09-16}
}