Source note · Unified CM security hardening
Phone security profiles offer three device security modes: Non Secure (TCP), Authenticated (TLS with NULL/SHA) and Encrypted (TLS with AES signaling, plus SRTP media on encrypted calls).
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- phone security profile
- 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 > Phone Security Profile > Device Security Mode
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM security hardening: source note cucm-security-hardening-phone-security-modes. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-security-hardening-phone-security-modes
BibTeX
@misc{warmtransfer-claim-cucm-security-hardening-phone-security-modes,
title = {Unified CM security hardening: source note cucm-security-hardening-phone-security-modes},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-security-hardening-phone-security-modes},
note = {Source note cucm-security-hardening-phone-security-modes, checked 2026-09-25}
}