Hello, here is a video that I made using Vapi (AI voice agent): Also you can check below: Demos: https://www.youtube.com/@AppUnitsAI I'm also a verified creator on N8N: https://n8n.io/creators/appunitsai let's talk: https://calendly.com/appunits/30min Although I can't speak Portuguese but I can help you with all what you have mentioned. Thanks