Build an AI Phone Agent in 20 Minutes | OpenAI Real-time API + Twilio + NestJS скачать в хорошем качестве

Build an AI Phone Agent in 20 Minutes | OpenAI Real-time API + Twilio + NestJS

Build a fully functional AI phone agent that handles real calls using OpenAI's Real-time API, NestJS, and Twilio. Complete step-by-step tutorial with live demo. 🎯 What You'll Build: A phone number that connects to AI Real-time voice conversations with GPT WebSocket-based bidirectional audio streaming Production-ready phone service architecture Chapters: 00:00 - Demo - AI Phone Agent in Action 00:43 - Introduction - Building a Phone AI Agent 00:56 - Architecture Overview - How It Works 01:46 - Prerequisites - What You Need 02:02 - Requirements 02:19 - Setting Up NestJS Backend 02:32 - Installing NestJS CLI 02:47 - Creating New NestJS Application 03:17 - Starting Development Server 03:46 - Creating Phone Module 04:11 - Seperating Business Logic With Services 04:34 - OpenAI SDK Installation - Realtime Audio 04:56 - Setting Up OpenAI API Keys 05:31 - Create Webhook in OpenAI Platform 05:53 - Create Webhook Endpoint 06:40 - Webhook Verification Implementation 09:24 - Setting Up Environment Variables 10:13 - Installing NestJS Config Module 10:32 - Testing realtime-api endpoint with Ngrok 11:58 - Handling Incoming Calls 13:45 - Setting Up WebSocket Connection - Realtime Audio 17:59 - Setting Up Twilio Account 18:13 - Buying a Phone Number 19:13 - Configuring Elastic SIP Trunk 19:52 - Connecting Twilio to OpenAI 21:17 - Live Test Call with AI Agent 22:29 - Conclusion 🔧 Technologies Used: NestJS (Node.js framework) OpenAI GPT Real-time API Twilio (SIP Trunking) WebSockets TypeScript Ngrok for local development 📁 Resources & Links: OpenAI Platform: https://platform.openai.com Twilio Console: https://www.twilio.com/console NestJS Documentation: https://nestjs.com Ngrok: https://ngrok.com 💻 Prerequisites: Node.js installed OpenAI API access Twilio account (free trial works) Basic TypeScript/JavaScript knowledge 🐛 Common Issues & Solutions: Raw body parsing for webhook verification Environment variable configuration Webhook URL must be publicly accessible (use ngrok) Verify phone numbers for Twilio trial accounts 📝 Key Concepts Covered: WebSocket implementation for real-time communication Webhook verification and security SIP protocol configuration Async request handling Environment configuration Error handling patterns 🚀 Next Steps: Add conversation memory Implement function calling Add call recording Create admin dashboard Deploy to production 🔗 Connect & Support: Subscribe for more AI engineering content Questions? Comment below! #AIPhoneAgent #OpenAI #NestJS #Twilio #Tutorial