Day 5 - How to Connect ElevenLabs AI Voice Agent to Twilio Phone Number

If you want to learn:


• How to deploy AI voice agents to production using Twilio phone integration?

• How to connect ElevenLabs conversational AI voice agents with a real phone number?

• How to build a production-ready voice AI system that handles inbound and outbound calls?

• How to integrate Twilio voice with n8n workflow automation for real-time conversations?

• How to create a voice agent that uses RAG (Retrieval Augmented Generation) with Supabase and OpenAI embeddings?

• How to set up Twilio phone numbers and configure voice webhooks for AI-driven customer interactions?


Then this lecture is for you!



In this hands-on lecture, you'll deploy a fully functional AI voice agent to production using Twilio phone integration and ElevenLabs conversational AI. You'll learn how to set up a Twilio account, acquire a Twilio phone number, and configure voice webhooks to connect with your ElevenLabs agent. The tutorial shows you step-by-step how to import your Twilio number into ElevenLabs using your account SID and auth token from the Twilio console dashboard.


You'll witness a live demonstration of an AI voice agent handling real phone calls, answering product inquiries, and providing pricing information in natural conversations. The system integrates multiple technologies including n8n workflow automation, Gemini 2.5 Flash as the conversational model, OpenAI embeddings for vectorization, and Supabase for the knowledge base—all working together in real-time with low-latency responses.


The lecture covers the complete Twilio integration process, from navigating the Twilio dashboard to configuring the voice webhook and assigning your phone number to an AI agent. You'll see how the production-ready system handles inbound calls seamlessly, using text-to-speech and context-aware responses powered by RAG technology. This practical implementation demonstrates how to automate customer calls, create a support agent for appointment booking, or build use cases for service businesses looking to let your AI handle telephony interactions.


By the end, you'll understand how to combine Twilio voice, ElevenLabs agent capabilities, and n8n workflow orchestration to create AI-powered voice experiences that can transform customer interactions and automate higher-value work for businesses.