Voice Firewall for Telcos

Voice Firewall

Block Fraudulent Calls and Protect Your Network with a Voice Firewall

Research shows that 28% of unknown calls are either spam or fraud. Our voice firewall uses AI to proactively monitor and control voice traffic, safeguarding consumers and end-users from fraudulent calls while maintaining seamless service for legitimate communications.

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Features

Shield Customers in the Era of Rising Voice Fraud

Devotel's Voice Firewall protects your network against sophisticated voice fraud attacks. Use AI threat detection to monitor and control voice traffic, block spam, and fraudulent calls in real-time.

Adaptive Spam Detection

Our AI-driven, self-learning voice firewall detects and identifies illicit calls as they happen, adapting to evolving threat patterns in real time.

Advanced Call Filtering

Advanced algorithms analyse call behaviour, origin, and historical data to filter fraudulent activity with exceptional accuracy.

Enterprise Caller Scoring

Our scoring system analyses caller reputation, behaviour patterns, and network intelligence to identify and block spammers.

Subscriber Customisation

Allow users to categorise and auto-block calls, create personal whitelists and blacklists, and customise their protection level.

Built for Telcos. Designed for Security and Revenue Growth.

Why Telcos Trust Devotel's Voice Firewall

Seamless Integration

Deploy to your existing infrastructure, or enhance protection by integrating into your mobile app.

Regulatory Compliance

Our solution ensures compliance with GDPR, international and regional messaging standards.

Comprehensive Analytics

Access detailed reports and AI-driven insights that help you act on suspicious activity on your network.

24/7 Technical Support

Our dedicated NOC and policy teams provide round-the-clock support and consultative guidance.

Monetisation Opportunities

Our solution enables you to identify, route, and monetise voice traffic while maintaining security.

Telco Expertise Built-in

Have a technical team who deeply understand operator-grade infrastructure and voice networks.

Security

Scale with security

Devotel is audited and certified by industry leading Third Party standards.

DELIVERING RESULTS WORLDWIDE

What Our Customers Say

See how companies around the globe are achieving their goals with Devotel's solutions and services.

My experience with Devotel's products and services has been exceptional and results for our business have been excellent.

Zak Nehme

Account Manager

Devotel is an excellent partner for our business. Their flexibility and tier-1 routes make all the difference.

Pierpaolo Aluise

Account Manager

Devotel provides excellence service that keeps our business running smoothly. Their support team is responsive and always resolves issues quickly.

Snizhana Yurchenko

Carrier Relations Manager

The Devotel team is highly professional, dedicated, and reliable.

Tarcencova Evghenia

Account Manager

The team is very responsive, the prices are competitive, and the routes work well.

Polly Xu

Business Manager

We've had an excellent experience working together. Both companies have seen growth in revenue and profitability, and I'm confident that together we can achieve 3x growth in 2026.

Muhammad Waqas

Account Manager

We actively use Wholesale SMS, WhatsApp Business API, and Email API, and everything works smoothly. Delivery is reliable, integrations were straightforward, and we haven't had any major issues. Support is responsive when needed, which makes things much easier.

Umutcan Olgun

CEO

Contact us

Let’s discuss your project

Discover how our SMS API can enhance your messaging strategy in a 15-minute conversation with one of our experts. No commitments, just insights.

Learn about our services

sales@devotel.com

Phone

+1 (919) 263 24 06

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Voice Firewall

Block Fraudulent Calls and Protect Your Network with a Voice Firewall

Contact us

Let’s discuss your project

Block Voice Frauds and Protect Your Network Revenue Today