Source note · Enabling mixed mode and encrypted calling in Unified CM
After certificate regeneration, encrypted and authenticated phones must be reset (via the Enterprise Parameters reset or bulk administration), and registration should be confirmed in RTMT before regenerating the next certificate.
Checked 2026-09-30
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- certificates
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 12.5 and later
- Checked
- 2026-09-30
Sources
- Regenerate Certificates In Unified Communications Manager — Cisco Systems · tier 2 current vendor documentation · CallManager certificate regeneration > phone reset
Cite this note
APA
WarmTransfer. (2026, September 30). Enabling mixed mode and encrypted calling in Unified CM: source note cucm-secure-calling-setup-regen-reset-phones. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-secure-calling-setup-regen-reset-phones
BibTeX
@misc{warmtransfer-claim-cucm-secure-calling-setup-regen-reset-phones,
title = {Enabling mixed mode and encrypted calling in Unified CM: source note cucm-secure-calling-setup-regen-reset-phones},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-secure-calling-setup-regen-reset-phones},
note = {Source note cucm-secure-calling-setup-regen-reset-phones, checked 2026-09-30}
}