Source record · tier 5 independent technical research

Securing Expressway Deployment from Spam & Toll Fraud Calls

Publisher: LookingPoint
URL: https://www.lookingpoint.com/blog/securing-expressway-deployment-from-spam-toll-fraud-calls
Published: unknown
Updated: unknown
Accessed: 2026-09-25
HTTP status: 200
License: All rights reserved (partner blog); no-redistribution; short excerpts and locators only

Source notes citing this source

Field reports describe internet bots sending SIP INVITE and OPTIONS to Expressway-E at around 2 to 3 per second, trying varied called patterns to find a PSTN route and spoofing the organisation's own domain or the Expressway IP as caller. field report in context

Cite this source record

APA

WarmTransfer. (2026, September 25). Securing Expressway Deployment from Spam & Toll Fraud Calls. WarmTransfer. https://warmtransfer.net/knowledge/sources/lookingpoint-blog-expressway-spam-toll-fraud

BibTeX

@misc{warmtransfer-lookingpoint-blog-expressway-spam-toll-fraud,
  title  = {Securing Expressway Deployment from Spam & Toll Fraud Calls},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/lookingpoint-blog-expressway-spam-toll-fraud},
  note   = {LookingPoint, accessed 2026-09-25}
}