Source note · Enabling mixed mode and encrypted calling in Unified CM
A SIP trunk security profile's Device Security Mode is Non Secure (TCP or UDP), Authenticated (TLS with NULL/SHA) or Encrypted (TLS with AES128/SHA).
Checked 2026-09-30
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- SIP trunk security profile
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15 and SUs
- Checked
- 2026-09-30
Sources
- Security Guide for Cisco Unified Communications Manager, Release 15 and SUs - Trunk and Gateway SIP Security — Cisco Systems · tier 2 current vendor documentation · SIP Trunk Security Profile settings > Device Security Mode
Cite this note
APA
WarmTransfer. (2026, September 30). Enabling mixed mode and encrypted calling in Unified CM: source note cucm-secure-calling-setup-trunk-modes. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-secure-calling-setup-trunk-modes
BibTeX
@misc{warmtransfer-claim-cucm-secure-calling-setup-trunk-modes,
title = {Enabling mixed mode and encrypted calling in Unified CM: source note cucm-secure-calling-setup-trunk-modes},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-secure-calling-setup-trunk-modes},
note = {Source note cucm-secure-calling-setup-trunk-modes, checked 2026-09-30}
}