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In Network Security Management / Interconnect Protection

Voice Firewall: Eliminate Voice Fraud in Real Time with AI-Powered Protection

Mobileum’s Voice Firewall uses AI-driven analytics to block robocalls, spoofing, and telecom voice fraud. Protect your network and ensure STIR/SHAKEN compliance.

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Voice Firewall
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Product Overview

What it is...

AI-Powered Voice Fraud Defense

Mobileum’s Voice Firewall is an advanced network security solution that uses AI-driven analytics to detect and block fraudulent voice traffic in real time. It protects telecom networks from robocalls, CLI spoofing, and voice spam while ensuring compliance with industry regulations. It enables proactive threat detection, cross-protocol analysis, and seamless policy enforcement to maintain voice service integrity.

and why it matters...

Protect Revenue and Trust

Telecom operators lose billions to voice fraud annually. Traditional firewalls can’t detect modern threats like spoofing or robocalling. Mobileum’s Voice Firewall strengthens network security, prevents revenue leakage, and ensures regulatory compliance with frameworks like STIR/SHAKEN. With AI-powered call analytics and real-time enforcement, operators can reduce fraud losses, protect customers, and improve service quality.

Quick View: How It Works

Industry Challenges

Stop Voice Fraud Before It Reaches Your Network

1
  • Robocalls and CLI spoofing erode customer trust and overwhelm call centers, damaging brand reputation
2
  • Traditional firewalls can’t detect advanced fraud schemes, leaving networks vulnerable to evolving attack patterns
3
  • Revenue losses from fraudulent calls continue to rise, impacting profitability and operational efficiency
4
  • Growing regulatory pressure makes compliance with frameworks like STIR/SHAKEN more critical and complex to manage
Key Product Features

AI-Powered Threat Detection

  • Uses machine learning to identify suspicious call patterns
  • Blocks fraudulent traffic in real time
  • Reduces false positives to improve operational efficiency
  • Enhances security with automated anomaly detection

Multiprotocol Analysis for Enhanced Security

  • Supports SS7, SIP, Diameter, and GTP protocols for fraud detection
  • Identifies vulnerabilities across multiple signaling layers
  • Prevents call manipulation and unauthorized access
  • Works seamlessly with existing fraud management systems

Real-Time Call Validation While Shielding Experience

  • Authenticates caller ID with STIR/SHAKEN and enforces call legitimacy using curated deny lists
  • Prevents CLI spoofing, impersonation fraud, and FAS/Call Stretching with advanced anomaly detection
  • Applies real-time call treatment policies for ingress, egress, and transit traffic, including legacy and SIP-based protocols
  • Supports TDM ISUP, CAMEL, SIP, and STIR/SHAKEN for complete roaming and interconnect protection

Simplify Voice Threat Response with Automation

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Key Benefits

Key Benefits

8

Prevents Fraud

Reduces telecom fraud losses by blocking malicious calls in real time.

9

Enhances Compliance

Meets global regulatory requirements like STIR/SHAKEN, ensuring trusted communication.

10

Optimizes Call Security

AI-driven monitoring detects and stops voice fraud without affecting call quality.

Product Spotlight

Product Spotlight

11

Cross-Protocol Intelligence

Detects fraud patterns across SS7, SIP, Diameter, and GTP signaling, ensuring consistent protection in hybrid and multi-generation networks.

12

Smart Policy Enforcement

Applies real-time voice traffic controls at ingress, egress, and transit levels, with dynamic rule enforcement based on threat intelligence.

13

Advanced Spoofing Forensics

Uses curated deny lists, spoofing fingerprinting, and anomaly detection to trace and act on spoofed or stretched calls with precision.

14

Legacy-Compatible, Future-Ready

Fully supports TDM ISUP, CAMEL, and SIP environments, enabling seamless compliance with STIR/SHAKEN and continued coverage for legacy interconnects.

Why Mobileum

  • Global Leader:

    Trusted by 1,000+ operators across 190+ countries

  • Built for Telecom Security:

    AI-powered defense for signaling, voice, SMS, and data

  • Real-Time Threat Detection:

    Block attacks as they happen — with zero manual lag

  • Ready for 5G & Beyond:

    Cross-protocol protection for 2G to 5G, VoLTE, and IoT

Additional Resources

Additional Resources

Stay Ahead of Every Voice Threat

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