Cisco warns that generic catch-all destination patterns such as destination-pattern .T increase the likelihood of routing a fraudulent call through CUBE, and recommends restricting patterns to known ranges.

Checked 2026-09-25

Using generic 'catch all' destination-patterns such as destination-pattern .T can increase the likelihood of routing a fraudulent call through CUBE.
Vendor
Cisco
Product
Cisco Unified Border Element
Subsystem
dial-peers
Deployment
on-premises
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Setting up CUBE for a carrier SIP trunk: source note cube-carrier-trunk-setup-catch-all-fraud-risk. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-carrier-trunk-setup-catch-all-fraud-risk

BibTeX

@misc{warmtransfer-claim-cube-carrier-trunk-setup-catch-all-fraud-risk,
  title  = {Setting up CUBE for a carrier SIP trunk: source note cube-carrier-trunk-setup-catch-all-fraud-risk},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cube-carrier-trunk-setup-catch-all-fraud-risk},
  note   = {Source note cube-carrier-trunk-setup-catch-all-fraud-risk, checked 2026-09-25}
}

Read in context