The Modern VoIP Security Crisis: Why Fraud is Draining Profits
As VoIP adoption accelerates globally, so does telecom fraud. It’s not just large carriers at risk—mid-sized wholesalers and niche service providers are being targeted with automated attacks, fake CLI manipulation, toll fraud, and traffic pumping scams.
The average VoIP operator loses up to 5% of revenue annually to fraudulent traffic. Yet, most existing VoIP switches offer only basic protection—or require expensive third-party add-ons.
🛡️ Introducing Class 4 Fusion: Fraud Prevention Built into Your Infrastructure
DeNovoLab’s Class 4 Fusion is more than a Class 4 VoIP softswitch. It’s an intelligent automation hub, a security control center, and a fraud prevention system all rolled into one.
With Class 4 Fusion, you’re not bolting on protection—you're building your VoIP business on top of it.
🔍 Let’s Unpack Its Most Powerful Anti-Fraud Features:
1️⃣ Real-Time Traffic Analytics & AI-Based Pattern Detection
Class 4 Fusion continuously monitors live traffic for abnormal behaviors like:
Rapid spikes in failed call attempts
Short-duration repeated calls
Sudden international call volume
Unexpected traffic from unknown IPs
🧠 Powered by behavior-based algorithms, it flags suspicious activity and adapts based on historical patterns—detecting threats that static rules can't catch.
💡 Security Insight: Catch threats before they escalate—without manual monitoring.
2️⃣ Granular Call Rate Limiting & CPS Control
Set intelligent restrictions on:
Calls Per Second (CPS)
Maximum concurrent calls per route
Call burst thresholds per IP or carrier
This ensures your infrastructure never gets overwhelmed by traffic floods or bot-based dialers.
⚙️ Configure automatic responses like:
Throttle rates
Block origin IP
Notify administrators
💡 Security Insight: Stop toll fraud before it damages your reputation or carrier relations.
3️⃣ Auto Blacklisting, Geo-Fencing, and CLI Filtering
Protect your network from bad actors by:
Auto-blocking IPs with high failure rates
Restricting access from high-risk geographies
Filtering suspicious Caller Line Identifications (CLI)
Set up:
Dynamic geo-blocks by region or country
CLI pattern filters (e.g., invalid prefixes, blacklisted numbers)
💡 Security Insight: Stop fraudulent CLI spoofing and foreign attack vectors.
4️⃣ STIR/SHAKEN Support – Verified Call Identity
With the rise of CLI spoofing and robocalling, STIR/SHAKEN protocol support is essential for regulatory compliance and caller authentication.
Class 4 Fusion includes:
Inbound and outbound CLI validation
Integration with certificate authorities
Spoofed caller ID detection and flagging
💡 Security Insight: Build trust with your partners by ensuring every call has a verified identity.
5️⃣ Instant Fraud Alerts & Automated Response Actions
Don’t just detect fraud—respond automatically in real time:
Get alerts via email, SMS, or dashboard
Suspend specific call routes or destinations
Enforce temporary lockouts on flagged IPs or users
Auto-decrease route priority for compromised carriers
💡 Security Insight: Close the window for attack within seconds, not hours.
6️⃣ All-in-One Security Without Extra Licensing Fees
Unlike other switches that charge for each anti-fraud add-on, Class 4 Fusion includes:
Real-time fraud detection engine
Rate limiting and route control
Geo-routing and blacklists
STIR/SHAKEN toolkit
Traffic anomaly alert system
💡 Cost Insight: Save thousands annually by avoiding third-party fraud tools.
📈 Real-World Results: What DeNovoLab Customers Are Saying
“Since switching to Class 4 Fusion, we’ve cut fraud-related losses by 90%. It's like having a 24/7 security operations center built into our switch.” — CTO, A-Z VoIP Provider, UAE
“Our team no longer manually monitors for suspicious activity. The automation takes care of everything.” — NOC Head, Wholesale Carrier, South America
🧾 Impact Summary:
✅ 90% reduction in fraudulent call attempts
✅ 75% decrease in chargeback incidents
✅ 60% reduction in NOC staff time spent on fraud response
✅ 5X increase in traffic visibility and carrier trust
🔒 Final Thoughts: Why Fraud Prevention Must Be a Core Feature—Not an Afterthought
In today’s volatile VoIP ecosystem, security must be proactive and embedded into your traffic operations—not treated as a separate add-on.
With DeNovoLab’s Class 4 Fusion, you don’t just prevent fraud—you futureproof your business with:
Real-time analytics
AI-driven routing controls
Intelligent threat response
Unified compliance
🚀 Ready to Lock Down Your Network and Scale Confidently?
💡 Start with 500 FREE ports
🌍 Scale securely in 190+ countries
🛠️ Customize fraud detection to fit your needs
👉 Visit www.denovolab.com to get started and schedule a free Class 4 Fusion demo today!
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