The ITLRecovery certificate subject is CN=ITLRECOVERY_<publisher hostname>, and the entry stays the same across hostname and DNS changes so phones keep trusting it.
Checked 2026-10-01
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- ITLRecovery
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 10.0(1) and later
- Checked
- 2026-10-01
Sources
- Unified Communications Manager ITL Enhancements in Version 10.0(1) — Cisco Systems · tier 2 current vendor documentation · ITLRecovery certificate section
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting phone trust and ITL failures in Unified CM: source note cucm-itl-trust-troubleshooting-itlrecovery-cn-format. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-itl-trust-troubleshooting-itlrecovery-cn-format
BibTeX
@misc{warmtransfer-claim-cucm-itl-trust-troubleshooting-itlrecovery-cn-format,
title = {Troubleshooting phone trust and ITL failures in Unified CM: source note cucm-itl-trust-troubleshooting-itlrecovery-cn-format},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-itl-trust-troubleshooting-itlrecovery-cn-format},
note = {Source note cucm-itl-trust-troubleshooting-itlrecovery-cn-format, checked 2026-10-01}
}