The Release 15 guide says phones reset automatically to receive the updated ITL after the CallManager, CAPF or TVS certificate is regenerated or renewed.
Checked 2026-10-01
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- Certificate management
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15 and SUs
- Checked
- 2026-10-01
Sources
- Security Guide for Cisco Unified Communications Manager, Release 15 and SUs - Certificates — Cisco Systems · tier 2 current vendor documentation · Certificates > certificate regeneration section
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting phone trust and ITL failures in Unified CM: source note cucm-itl-trust-troubleshooting-phones-reset-after-regen. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-itl-trust-troubleshooting-phones-reset-after-regen
BibTeX
@misc{warmtransfer-claim-cucm-itl-trust-troubleshooting-phones-reset-after-regen,
title = {Troubleshooting phone trust and ITL failures in Unified CM: source note cucm-itl-trust-troubleshooting-phones-reset-after-regen},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-itl-trust-troubleshooting-phones-reset-after-regen},
note = {Source note cucm-itl-trust-troubleshooting-phones-reset-after-regen, checked 2026-10-01}
}