Cisco's fix for CUAC CTI ports stuck in an unknown or none state after an upgrade includes checking that the installed Cisco TSP version matches the UCM version, reinstalling the TSP if it does not, and restarting the CUAC server.

Checked 2026-09-25

Vendor
Cisco
Product
Cisco Unified Attendant Console Advanced
Subsystem
cti
Deployment
on-premises
Region
not restricted
Release range
observed on upgrade to 10.5.2; general practice not version-bound in source
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Cisco Unified Attendant Console: source note cisco-attendant-console-cti-tsp-version-match. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-attendant-console-cti-tsp-version-match

BibTeX

@misc{warmtransfer-claim-cisco-attendant-console-cti-tsp-version-match,
  title  = {Cisco Unified Attendant Console: source note cisco-attendant-console-cti-tsp-version-match},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cisco-attendant-console-cti-tsp-version-match},
  note   = {Source note cisco-attendant-console-cti-tsp-version-match, checked 2026-09-25}
}

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