case study

icallu.pl

Industry

Security & Verification

Year

2025

iCallU is a caller verification system designed to register and verify who's calling you, built to shield you from potential scams while saving time.

The platform provides a systematic 4-step verification process that includes caller information gathering, contact details verification, strategic security questions, and instant SMS notifications with risk assessment.

With a focus on privacy and GDPR compliance, iCallU ensures secure data handling while automatically identifying suspicious callers and helping prevent fraudulent calls.

Services

Web development
Backend Development
Mobile development
Cloud services

Technology used

Next.js
Node.js
React Native
AWS Cloud
SMS API Integration
Data Encryption
GDPR Compliance

The iCallU verification system has transformed how businesses handle incoming calls. The instant verification and risk assessment features provide crucial security while maintaining efficiency. The GDPR-compliant architecture ensures complete data protection.

Xfaang Team

Development Team

Xfaang

Project

Challenges

Real-time Verification ProcessingImplementing a fast, efficient verification system that could process caller information and send SMS notifications within seconds required optimized backend architecture and intelligent caching strategies.

Balancing Security with User ExperienceCreating strategic security questions that effectively identify risks without making the process cumbersome for legitimate callers demanded careful UX design and behavioral analysis.

GDPR Compliance and Privacy ProtectionEnsuring complete GDPR compliance while maintaining system effectiveness required implementing robust data protection measures, limited data sharing protocols, and transparent privacy policies.

Applied

Solutions

4-Step Verification ProcessStreamlined workflow collecting caller information, contact details, strategic security questions, and providing instant SMS notifications with comprehensive risk assessment.

Intelligent Risk AssessmentAdvanced algorithm analyzing caller responses to strategic questions, automatically identifying suspicious patterns and potential scam tactics to protect recipients.

Instant SMS Notification SystemReal-time delivery of caller details and risk assessment directly to recipients' phones, enabling informed decision-making before answering calls.

Privacy-First ArchitectureGDPR-compliant design with secure data storage, no tracking, limited data sharing, and comprehensive data protection measures throughout the system.

Results

Successful launch of privacy-focused caller verification platform
GDPR compliant with comprehensive data protection
Instant SMS verification system with risk assessment
Enhanced security preventing fraudulent calls

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