Source note · Unified CM security hardening
CAPF certificate operations can authenticate the phone by authentication string, by null string (no user action, low security) or by existing certificate (LSC or MIC precedence).
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- CAPF
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-09-25
Sources
- Security Guide for Cisco Unified Communications Manager, Release 15 and SUs - Phone Security — Cisco Systems · tier 2 current vendor documentation · Phone Security > CAPF authentication mode
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM security hardening: source note cucm-security-hardening-capf-auth-modes. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-security-hardening-capf-auth-modes
BibTeX
@misc{warmtransfer-claim-cucm-security-hardening-capf-auth-modes,
title = {Unified CM security hardening: source note cucm-security-hardening-capf-auth-modes},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-security-hardening-capf-auth-modes},
note = {Source note cucm-security-hardening-capf-auth-modes, checked 2026-09-25}
}