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In Network Security Management / Interconnect Protection

SMS Firewall: Stop SMS Fraud and Grey Routes with Real-Time Protection

Block SMS spam, fraud, and grey route traffic with Mobileum’s AI-powered SMS Firewall — ensuring subscriber safety, regulatory compliance, and revenue protection.

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SMS Firewall
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Product Overview

What it is...

Intelligent SMS Threat Prevention

Mobileum’s SMS Firewall uses AI-powered analytics and rule-based controls to filter SMS messages in real time—blocking spam, grey route traffic, smishing, and malicious links. It operates across SS7, SIP, and SMPP protocols, delivering accurate threat detection and seamless protection for mobile networks. Integrated with Mobileum’s URL Scanner and threat intelligence, it ensures full-spectrum SMS security.

and why it matters...

Secure Revenue, Build Trust

Over 47% of A2P traffic still flows through unmonetized grey routes, leading to revenue loss and compliance risks. The SMS Firewall gives operators total visibility and control over domestic and international SMS traffic — enabling monetization, reducing customer churn, and ensuring alignment with evolving regulatory mandates.

Industry Challenges

Eliminate SMS Fraud, Revenue Loss, and Compliance Risk

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  • Customers lose trust when harmful messages bypass traditional filters
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  • Operators struggle to monetize messaging traffic without visibility or control
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  • Static rule engines can’t adapt quickly to evolving fraud patterns
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  • Telecoms face increasing regulatory pressure with limited automation for reporting
Key Product Features

SMS SPAM Protection

Filter and block unsolicited SMS spam using configurable content rules, sender checks, and ML-based classification
  • Detect and block messages with suspicious patterns or phrases
  • Template rules to catch recurring spam formats
  • Reduce customer complaints and processing costs

URL Scanner Integration

Deep URL inspection powered by Mobileum’s URL Scanner flags smishing links and malware.
  • DNS + HTTP checks on embedded URLs
  • Safe/Unsafe scoring with REST API integration
  • Works in line with SMS Firewall for instant response

A2P Grey Route Detection

Prevent revenue loss from unauthorized A2P traffic routed via grey channels.
  • Identify non-commercial sender behavior
  • Volumetric rules + content validation
  • Ensure proper charging and monetization

Empower Your Team with SMS Threat Insights

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Key Benefits

Key Benefits

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Maximize ROI

Capture lost A2P revenue with grey route detection.

9

Real-Time Protection

Stop spam, smishing, and threats instantly.

10

Compliant & Scalable

Meet regulatory needs across global markets.

Product Spotlight

Product Spotlight

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Fast Detection

ML-based threat classification in real time.

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Flexible Rules

Configure filters by sender, content, volume.

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Broad Coverage

SS7, SIP, and SMPP protocol support.

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Proven at Scale

750+ deployments, 500M+ subscribers.

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

Take Control of Your SMS Security and Revenue

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