I specialize in VoIP, SIP, and PBX calling solutions for Web, Desktop, and Mobile platforms, with hands-on experience in Asterisk and Ozeki.
I can help you build, integrate, customize, and troubleshoot reliable calling systems, whether you need a complete VoIP solution or integration with your existing infrastructure.
My expertise includes:
- VoIP & SIP Calling Development
- Asterisk PBX Setup & Customization
- Ozeki VoIP/SIP Solutions
- SIP Trunk & Extension Configuration
- WebRTC Browser-Based Calling
- Web, Desktop & Mobile Softphone Development
- Inbound & Outbound Calling
- IVR, Call Queues & Call Routing
- Call Recording & Call History
- DTMF, Call Transfer, Hold & Conference Calling
- Click-to-Call & Call Center Solutions
- SIP/WebSocket/WebRTC Integration
- VoIP API & Third-Party Integrations
- Custom VoIP Dashboards and Admin Panels
Tech Stack:
ASP.NET | .NET Core | REST API | C# | React.js | Angular | SQL Server | PostgreSQL | MySQL | MongoDB | Asterisk | Ozeki | SIP | WebRTC
Whether you're building a call center, business phone system, CRM calling feature, softphone, customer-support platform, or custom VoIP application, I can help turn your requirements into a working solution.