Cisco announced end of life for version 12.5 and 12.6 on-premises contact center applications including UCCX on June 30 2025, with end of sale December 31 2025, end of software maintenance releases December 31 2026, and last date of support December 31 2027.

Checked 2026-09-22

Vendor
Cisco
Product
Cisco Unified Contact Center Express
Subsystem
lifecycle
Deployment
on-premises
Region
not restricted
Release range
12.5 and 12.6
Checked
2026-09-22

Sources

Cite this note

APA

WarmTransfer. (2026, September 22). UCCX Configuration REST API: source note uccx-configuration-api-eol-125-126. WarmTransfer. https://warmtransfer.net/knowledge/claims/uccx-configuration-api-eol-125-126

BibTeX

@misc{warmtransfer-claim-uccx-configuration-api-eol-125-126,
  title  = {UCCX Configuration REST API: source note uccx-configuration-api-eol-125-126},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/uccx-configuration-api-eol-125-126},
  note   = {Source note uccx-configuration-api-eol-125-126, checked 2026-09-22}
}

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