Source note · Setting up TLS and SRTP on CUBE
Because SRTP keys travel in the SDP crypto attributes, both legs of an SRTP call through CUBE need TLS signaling to keep the keys out of cleartext; pass-through does not remove that need.
inferred · Checked 2026-09-30
- Vendor
- Cisco
- Product
- Cisco Unified Border Element
- Subsystem
- Security design
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Status
- inferred
- 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 (read with SRTP-SRTP Pass-Through > Overview)
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up TLS and SRTP on CUBE: source note cube-tls-srtp-setup-passthru-keys-need-tls. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-tls-srtp-setup-passthru-keys-need-tls
BibTeX
@misc{warmtransfer-claim-cube-tls-srtp-setup-passthru-keys-need-tls,
title = {Setting up TLS and SRTP on CUBE: source note cube-tls-srtp-setup-passthru-keys-need-tls},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cube-tls-srtp-setup-passthru-keys-need-tls},
note = {Source note cube-tls-srtp-setup-passthru-keys-need-tls, checked 2026-09-30}
}