The Preferred Architecture pairs CPL with the Expressway 'SIP authentication failure' intrusion protection rule, which jails a source IP after repeated failures within a detection window.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- security
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Collaboration 14
- Checked
- 2026-09-25
Sources
- Preferred Architecture for Cisco Collaboration 14 Enterprise On-Premises Deployments, CVD - Collaboration Edge — Cisco · tier 2 current vendor documentation · Collaboration Edge > intrusion protection
Cite this note
APA
WarmTransfer. (2026, September 25). Setting up business-to-business calling on Cisco Expressway: source note expressway-b2b-setup-pa-intrusion-protection. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-b2b-setup-pa-intrusion-protection
BibTeX
@misc{warmtransfer-claim-expressway-b2b-setup-pa-intrusion-protection,
title = {Setting up business-to-business calling on Cisco Expressway: source note expressway-b2b-setup-pa-intrusion-protection},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-b2b-setup-pa-intrusion-protection},
note = {Source note expressway-b2b-setup-pa-intrusion-protection, checked 2026-09-25}
}