Create multilingual voice calling bot with GPT-4o, ElevenLabs & Twilio

AI Voice Calling Bot - OpenAI GPT-4o + ElevenLabs + Twilio Integration for Multilingual Appointment Booking & Service Orders

Overview

Transform your business with an intelligent voice calling bot that handles customer calls automatically in 25+ languages. This N8n workflow integrates OpenAI GPT-4o, ElevenLabs text-to-speech, and Twilio for seamless appointment scheduling, pizza orders, and service bookings.

Key Features

- Multilingual Support: Conversations in English, Spanish, French, German, Italian, Portuguese, Chinese, Japanese, Arabic, and 20+ more languages - Natural AI Conversations: GPT-4o powered responses with ElevenLabs realistic voice synthesis - Multi-Service Handling: Appointments, orders, and service requests with automatic logging - Real-time Processing: Instant speech-to-text and audio response generation

Prerequisites

- N8n instance (self-hosted or cloud) - Twilio account with phone number - OpenAI API key (GPT-4o access) - ElevenLabs API credentials - Google Sheets access - Cloud storage for audio files

Setup Instructions