Source note · Unified CM SIP trunk to CUBE configuration

Cisco's CUBE hardening guide recommends enabling SIP-TLS and SRTP on all call legs through CUBE.

Checked 2026-09-24

security is only as strong as it's weakest link and SIP-TLS and SRTP should be enabled on all call-legs through CUBE

Vendor: Cisco
Product: Cisco Unified Border Element
Subsystem: security
Deployment: on-premises
Region: not restricted
Release range: not stated; published 2023
Checked: 2026-09-24

Sources

Cisco Guide to Harden Cisco Unified Border Element (CUBE) Enterprise Devices — Cisco Systems · tier 2 current vendor documentation · SIP TLS and SRTP section

Cite this note

APA

WarmTransfer. (2026, September 24). Unified CM SIP trunk to CUBE configuration: source note cucm-config-sip-trunk-to-cube-cube-tls-srtp-all-legs. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-config-sip-trunk-to-cube-cube-tls-srtp-all-legs

BibTeX

@misc{warmtransfer-claim-cucm-config-sip-trunk-to-cube-cube-tls-srtp-all-legs,
  title  = {Unified CM SIP trunk to CUBE configuration: source note cucm-config-sip-trunk-to-cube-cube-tls-srtp-all-legs},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-config-sip-trunk-to-cube-cube-tls-srtp-all-legs},
  note   = {Source note cucm-config-sip-trunk-to-cube-cube-tls-srtp-all-legs, checked 2026-09-24}
}

Read in context