Source note · Planning a Unified CM upgrade
Cisco does not test Unified CM Release 15x with phones that are End of Life.
Checked 2026-09-25
Cisco will not test Unified Communications Manager with End of Life phones.
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- endpoints
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15x
- Checked
- 2026-09-25
Sources
- Compatibility Matrix for Cisco Unified Communications Manager and the IM and Presence Service, Release 15x — Cisco Systems · tier 2 current vendor documentation · Supported Endpoints section
Cite this note
APA
WarmTransfer. (2026, September 25). Planning a Unified CM upgrade: source note cucm-upgrade-planning-eol-phones-not-tested. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-eol-phones-not-tested
BibTeX
@misc{warmtransfer-claim-cucm-upgrade-planning-eol-phones-not-tested,
title = {Planning a Unified CM upgrade: source note cucm-upgrade-planning-eol-phones-not-tested},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-eol-phones-not-tested},
note = {Source note cucm-upgrade-planning-eol-phones-not-tested, checked 2026-09-25}
}