Source note · Unified CM certificate renewal
The technote says to reboot the phones after each phone-trust certificate is regenerated and to wait until RTMT shows registration is complete before regenerating the next certificate.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- endpoints
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15.0 and later
- Checked
- 2026-09-25
Sources
- Regenerate Certificates In Unified Communications Manager — Cisco Systems · tier 2 current vendor documentation · CAPF, CallManager and TVS certificate sections, final steps
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM certificate renewal: source note cucm-certificate-renewal-phone-reset-between-certs. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-phone-reset-between-certs
BibTeX
@misc{warmtransfer-claim-cucm-certificate-renewal-phone-reset-between-certs,
title = {Unified CM certificate renewal: source note cucm-certificate-renewal-phone-reset-between-certs},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-phone-reset-between-certs},
note = {Source note cucm-certificate-renewal-phone-reset-between-certs, checked 2026-09-25}
}