Source note · Expressway business-to-business calling
Cisco advises avoiding the Any wildcard for a search rule's Source to minimise toll-fraud risk.
Checked 2026-09-25
To minimize toll fraud risks, avoid using the 'Any' wild card for the Source setting.
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- search rules
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X15.4
- Checked
- 2026-09-25
Sources
- Cisco Expressway Administrator Guide (X15.4) - Dial Plan and Call Processing — Cisco Systems · tier 2 current vendor documentation · Search rule examples (emergency/911 rule example note)
Cite this note
APA
WarmTransfer. (2026, September 25). Expressway business-to-business calling: source note expressway-b2b-calling-avoid-any-source. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-b2b-calling-avoid-any-source
BibTeX
@misc{warmtransfer-claim-expressway-b2b-calling-avoid-any-source,
title = {Expressway business-to-business calling: source note expressway-b2b-calling-avoid-any-source},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-b2b-calling-avoid-any-source},
note = {Source note expressway-b2b-calling-avoid-any-source, checked 2026-09-25}
}