Phones on Unified CM that are being migrated must run phone load version 14.1 or later.
Checked 2026-09-24
Ensure phones on Unified CM that you're migrating are using Phone Load version 14.1 or later.
- Vendor
- Cisco
- Product
- Webex Calling migration tool
- Subsystem
- device migration
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Migrate Unified CM data to Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Migrate Unified CM data to Webex Calling > Before you begin
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM and Webex Calling coexistence during a migration: source note cucm-webex-calling-coexistence-phone-load-141. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-calling-coexistence-phone-load-141
BibTeX
@misc{warmtransfer-claim-cucm-webex-calling-coexistence-phone-load-141,
title = {Unified CM and Webex Calling coexistence during a migration: source note cucm-webex-calling-coexistence-phone-load-141},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-webex-calling-coexistence-phone-load-141},
note = {Source note cucm-webex-calling-coexistence-phone-load-141, checked 2026-09-24}
}