Web VoIP & Telephony System
Real-Time Browser Calling & Call Routing
Web-based telephony platform enabling in-browser dialing, live WebSocket call handling, Twilio API voice routing, FreePBX IVR flows, and automated call event capture in CRM customer records.
System Layers & Technical Design
React / JavaScript browser keypad dialer with live call status indicators and contact lookup.
Persistent WebSocket connection manager for live call events, Twilio programmable voice APIs, and FreePBX IVR scripts.
Call log analytics tables, customer telephony history, and recording references.
The Engineering Challenge & Solution
Maintaining stable real-time socket connections during active browser calls and synchronizing call recordings and metrics with CRM customer records.
Engineered real-time socket listeners with auto-reconnection for live call states, built custom keypad dialing controls, and connected telephony events to CRM for automated lead capture.
Production Impact & Delivered Capabilities
Real-time in-browser calling keypad with live socket connection handling
Integrated Twilio programmable voice with automated call event recording
Built FreePBX IVR flows with intelligent routing to reduce agent handling time
Automated lead capture and call history association directly inside CRM contact profiles
Architecture & Process Flow Models
WebRTC In-Browser VoIP & FreePBX / Twilio Telephony Pipeline
Data flow diagram illustrating WebRTC in-browser calling, persistent WebSocket event streaming, FreePBX IVR routing, Twilio carrier gateway, and CRM lead capture activity logs.