From Unified CM 15SU2, Cisco TSP configuration adds a tertiary CTI Manager, which is used when both the primary and secondary CTI Managers are unreachable. Up to 15SU1 only primary and backup were available.

Checked 2026-09-25

when both the Primary and Secondary CTI Managers are not reachable
Vendor
Cisco
Product
Cisco Unified TSP
Subsystem
CTIManager redundancy
Deployment
on-premises
Region
not restricted
Release range
15SU2 and later
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM CTI and JTAPI integrations: source note cucm-cti-jtapi-tsp-tertiary-15su2. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-cti-jtapi-tsp-tertiary-15su2

BibTeX

@misc{warmtransfer-claim-cucm-cti-jtapi-tsp-tertiary-15su2,
  title  = {Unified CM CTI and JTAPI integrations: source note cucm-cti-jtapi-tsp-tertiary-15su2},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-cti-jtapi-tsp-tertiary-15su2},
  note   = {Source note cucm-cti-jtapi-tsp-tertiary-15su2, checked 2026-09-25}
}

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