Coperato
Coperato needed to rebuild their legacy VoIP platform into a modern cloud-based call center solution. The existing system couldn't scale, lacked real-time analytics, and required manual configuration for every new client.
Industry
Telecommunications
Client
Coperato
Duration
10 months
Project Information
Coperato is a B2B VoIP phone service provider offering cloud-based call center solutions for businesses of all sizes. We rebuilt their entire platform — auto-dialers, real-time call monitoring, IVR builder, CRM integrations, and a multi-tenant admin panel. The new system handles 770+ business clients, 11,500+ international routes, and processes thousands of concurrent calls with sub-second latency.
Technologies Used
React.js
Node.js
Typescript
PostgreSQL
Redis
AWS
Team Composition
3 Full-Stack Developers
DevOps Engineer
Designer
Development Phases
Challenges and Solutions
Real-Time Call Quality at Scale
VoIP requires sub-100ms latency for clear audio. We built a distributed media server architecture with intelligent routing to minimize latency across 11,500+ international routes.
Project Metrics
770+
Business Clients
11,500+
International Routes
4.2+
Call Quality (MOS)
99.95%
Platform Uptime
5,000+
Concurrent Calls
8
CRM Integrations
OUR CLIENTS SUCCESS STORIES
Reviews
6
Rating
5/5
At SagTech, we focus on making our clients' experiences as bright and rewarding as possible. Here's what some of our satisfied customers have to say about working with us:
“SagTech delivered our MVP in just 10 weeks. The quality exceeded our expectations and helped us secure our Series A funding.”
Project
FinTech Payment Platform
John Smith
CEO & Founder, TechStartup Inc.
CEO of Wisy
Yaroslav Gordov
Working with SagTech has been exceptional. They delivered our mobile app and admin dashboard ahead of schedule and exceeded all performance expectations. Their deep understanding of investment platforms and user experience resulted in significantly improved processing speeds.
Head of Product in Wisy
Eugene Prokhorov
Professionals with excellent knowledge of fintech and automated investments. The project was completed with high quality: a user-friendly mobile and web application, and a well-thought-out admin panel. The team quickly addressed all challenges, including payment integration. If you need a reliable IT partner with a deep understanding of technology, I highly recommend them!
CEO of Kwikwins
Sergei Chervyakov
Outstanding team that transformed our backend infrastructure completely. The optimization work resulted in dramatically faster response times and near-perfect uptime in production. Every milestone was delivered ahead of schedule with exceptional attention to detail.
CEO of Yotewo
Alexander Kazhemyakin
Rare to find contractors who genuinely understand modern web development. Their work doubled our search engine visibility and significantly improved site performance. The scalable architecture they built handles our growing user base perfectly, supporting thousands of daily active users.
CEO of BullArena
Andrej Ruckij
A professional team with a deep understanding of blockchain technologies and the Play-to-Earn mechanics. The project was executed at a high level, from MVP development to the integration of cryptocurrency operations. The optimization of the gameplay ensured stable real-time performance.
Advantages of Choosing Sagtech
Enterprise-Grade VoIP Infrastructure
Built on WebRTC and SIP with redundant media servers, automatic failover, and quality-based routing. Handles thousands of concurrent calls with carrier-grade reliability.
Self-Service Client Portal
Clients configure their own IVR flows, manage agents, run reports, and adjust routing — no support tickets needed for routine changes.
Compliance Built-In
TCPA, GDPR, DNC list management, call recording consent, and time-zone aware dialing restrictions. Compliance is automatic, not an afterthought.
frequently asked questions
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