The regeneration technote limits the CallManager-plus-TVS warning to versions 8.x through 11.5, or to clusters where the ITL is signed by the CallManager certificate.
Checked 2026-10-01
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- Certificate management
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 8.x to 11.5 explicitly; later releases conditionally
- Checked
- 2026-10-01
Sources
- Regenerate Certificates In Unified Communications Manager — Cisco Systems · tier 2 current vendor documentation · Prerequisites / CallManager and TVS timing note
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting phone trust and ITL failures in Unified CM: source note cucm-itl-trust-troubleshooting-cm-tvs-rule-scope. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-itl-trust-troubleshooting-cm-tvs-rule-scope
BibTeX
@misc{warmtransfer-claim-cucm-itl-trust-troubleshooting-cm-tvs-rule-scope,
title = {Troubleshooting phone trust and ITL failures in Unified CM: source note cucm-itl-trust-troubleshooting-cm-tvs-rule-scope},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-itl-trust-troubleshooting-cm-tvs-rule-scope},
note = {Source note cucm-itl-trust-troubleshooting-cm-tvs-rule-scope, checked 2026-10-01}
}