Skip to content

Voice Defender

Voice Defender supports configurable policy enforcement that allows operators to respond automatically to suspicious voice traffic. When fraudulent patterns are detected, the system can apply predefined rules such as call blocking, route restrictions, or traffic throttling.

Voice Defender

Advanced Voice Fraud Protection and Traffic Integrity for Telecom Networks

Voice Defender is a comprehensive voice security and fraud prevention platform designed to protect telecom operators and enterprises from evolving voice-based threats. As voice networks increasingly face risks such as robocalls, CLI spoofing, flash-call fraud, and international revenue share fraud (IRSF), Voice Defender provides intelligent monitoring, detection, and response capabilities to safeguard network integrity.

The platform continuously analyzes voice signaling and call traffic patterns to identify suspicious activity in real time. By combining advanced analytics with telecom-grade monitoring systems, Voice Defender enables operators to detect fraudulent behavior early and apply immediate mitigation measures.

Through proactive fraud prevention and network protection, Voice Defender helps telecom operators preserve revenue streams, maintain service quality, and protect subscribers from malicious voice activity.

Voice Defender

Real-Time Voice Traffic Monitoring

Voice Defender provides continuous monitoring of voice traffic flowing through telecom networks. By analyzing call signaling data, routing paths, and call behavior patterns, the platform can identify abnormal activities that may indicate fraud attempts or unauthorized traffic manipulation.

This real-time monitoring capability allows operators to maintain full visibility over voice traffic across domestic and international routes. Network teams can track traffic volumes, identify unusual spikes, and detect suspicious call patterns that could signal fraudulent activity.

With enhanced visibility into voice communications, operators can respond rapidly to emerging threats and prevent network abuse.

Voice Defender

Detection of Common Voice Fraud Threats

Voice Defender is designed to detect a wide range of voice fraud schemes that affect modern telecom networks. The system identifies patterns associated with robocalls, CLI spoofing, SIM box bypass traffic, and international premium rate fraud.

By recognizing behavioral signatures associated with fraudulent activities, the platform can flag suspicious calls before they escalate into large-scale attacks. Advanced algorithms evaluate call frequency, call duration patterns, and geographic routing anomalies to detect potential abuse.

This proactive detection capability helps operators minimize financial losses and maintain the integrity of voice communications.

Voice Defender

CLI Authentication and Spoofing Prevention

Caller Line Identification (CLI) spoofing is one of the most common threats in voice networks, allowing malicious actors to impersonate trusted numbers. Voice Defender includes mechanisms to validate and authenticate caller identity within signaling flows.

The platform verifies whether the originating caller ID matches legitimate routing patterns and network records. If inconsistencies are detected, the system can trigger alerts or enforce policy actions such as call blocking or routing restrictions.

By preventing caller ID manipulation, Voice Defender helps protect subscribers from fraud, impersonation scams, and deceptive robocalls.

Telecom

Enterprise

Voice Solution

Access highly customizable voice solutions through a leading service provider. With an annual termination volume exceeding 650 million minutes,

SMS Solutions

Discover diverse communication possibilities through our versatile APIs. Utilize the Configurable Messaging API to send SMS notifications, messages

Cloud Communications & Solutions

Are the challenges of international telecommunications hindering your business expansion? If so, bid farewell to the complexities 

Internet of Things (IoT)

Enroll in our platform and unlock the potential of a completely virtualized international mobile network tailored specifically for the Internet of Things (IoT). 

PayLink Infrastructure

Provides secure, seamless multi-channel payment integration with flexible APIs and fast activation, helping enterprises streamline transactions and accelerate revenue growth.

UltraMask DID Suite

Enables enterprises and retailers to protect customer identities through dynamic number masking, virtual DIDs, and flexible routing. Ideal for delivery, logistics, e-commerce, and on-demand services to enhance privacy and trust.

UltraCampaign Manager

Empowers businesses to run intelligent, scalable voice campaigns with automated call flows, smart routing, and real-time analytics to boost engagement and outreach performance.

UltraSim Digital Enabler (E-SIM)

Enables enterprises and retailers to protect customer identities through dynamic number masking, virtual DIDs, and flexible routing. Ideal for delivery, logistics, e-commerce, and on-demand services to enhance privacy and trust.

Products