Source note · Setting up TLS and SRTP on CUBE
SRTP media on a Unified CM SIP trunk is enabled by checking SRTP Allowed on the trunk; with a non-secure profile SRTP still works but the keys are exposed in signaling and traces.
Checked 2026-09-30
If you use a non-secure profile, SRTP will still work but the keys will be exposed in signaling and traces.
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- SIP trunk
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15
- 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 > SRTP Allowed check box note
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up TLS and SRTP on CUBE: source note cube-tls-srtp-setup-cucm-srtp-allowed. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-tls-srtp-setup-cucm-srtp-allowed
BibTeX
@misc{warmtransfer-claim-cube-tls-srtp-setup-cucm-srtp-allowed,
title = {Setting up TLS and SRTP on CUBE: source note cube-tls-srtp-setup-cucm-srtp-allowed},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cube-tls-srtp-setup-cucm-srtp-allowed},
note = {Source note cube-tls-srtp-setup-cucm-srtp-allowed, checked 2026-09-30}
}