Upgrades to Unified CCX 15.0 are supported only from Unified CCX 12.5(1), 12.5(1) SU1, 12.5(1) SU2 and 12.5(1) SU3, and any earlier release must first be upgraded to 12.5.
Checked 2026-09-22
You can upgrade to Unified CCX 15.0 only from Unified CCX versions 12.5(1), 12.5(1) SU1, 12.5(1) SU2, and 12.5(1) SU3.
- Vendor
- Cisco
- Product
- Cisco Unified Contact Center Express
- Subsystem
- upgrade
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15.0
- Checked
- 2026-09-22
Sources
- Cisco Unified Contact Center Express Install and Upgrade Guide, Release 15.0 - Unified CCX Upgrade — Cisco Systems · tier 2 current vendor documentation · Unified CCX Upgrade Types section
Cite this note
APA
WarmTransfer. (2026, September 22). End of sale of Cisco on-premises contact center 12.5 and 12.6: source note cisco-on-premises-contact-center-end-of-sale-uccx-upgr-path. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-on-premises-contact-center-end-of-sale-uccx-upgr-path
BibTeX
@misc{warmtransfer-claim-cisco-on-premises-contact-center-end-of-sale-uccx-upgr-path,
title = {End of sale of Cisco on-premises contact center 12.5 and 12.6: source note cisco-on-premises-contact-center-end-of-sale-uccx-upgr-path},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-on-premises-contact-center-end-of-sale-uccx-upgr-path},
note = {Source note cisco-on-premises-contact-center-end-of-sale-uccx-upgr-path, checked 2026-09-22}
}