Call Master — AI-Powered Telephony System

Developed a full-stack telephony application that integrates AI-powered voice processing with real-time call management, enabling automated voice interactions and speech-to-text transcription for business communications.

Key Features

AI Voice Assistant Integration with real-time speech recognition and AI response generation
Automated call handling with intelligent conversational AI
Voice streaming and live audio processing
Outbound/inbound call handling with Twilio integration
Call recording and audio storage
Real-time call status tracking and webhooks
Audio-to-text transcription using Deepgram
AI text generation via OpenAI GPT-4
Text-to-speech synthesis for automated responses
Secure user registration and login system
JWT-based session management
PostgreSQL schema with users and call_records tables

Technical Architecture

MVC Pattern - Organized codebase with controllers, services, and models
RESTful API Design - Clean API endpoints with proper HTTP methods
WebSocket Integration - Real-time communication for live call streaming
Webhook Processing - Twilio webhook handling for call events
Error Handling & Logging - Comprehensive error management system

Highlights

Developed a comprehensive AI-driven telephony platform with real-time voice processing, integrating OpenAI GPT-4 for conversational AI and Deepgram for speech-to-text.