Source note · Planning a Unified CM upgrade
Cisco's Version 12.5 on-premises calling applications (Unified CM, SME, IM and Presence, CER, Unity Connection, Paging Server) reached Last Date of Support on 31 August 2025.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager 12.5
- Subsystem
- lifecycle
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Version 12.5
- Checked
- 2026-09-25
Sources
- End-of-Sale and End-of-Life Announcement for the Cisco Version 12.5 of On-premises Calling applications (including Cisco Unified Communications Manager) and associated On-premises Flex subscriptions — Cisco Systems · tier 2 current vendor documentation · Table 1 End-of-Life Milestones, row Last Date of Support
Cite this note
APA
WarmTransfer. (2026, September 25). Planning a Unified CM upgrade: source note cucm-upgrade-planning-eol-125-last-support. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-eol-125-last-support
BibTeX
@misc{warmtransfer-claim-cucm-upgrade-planning-eol-125-last-support,
title = {Planning a Unified CM upgrade: source note cucm-upgrade-planning-eol-125-last-support},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-eol-125-last-support},
note = {Source note cucm-upgrade-planning-eol-125-last-support, checked 2026-09-25}
}