Audio guestbook rental service — replace the traditional guestbook with a retro phone. Guests pick up the handset, hear a custom welcome message, and leave a voice message after the beep. All recordings are delivered digitally and edited after the event. Live product at echobox.events (Belgian market). Features: - Multiple retro phone models available for rent - Delivery by mail (2 days before event) or self-pickup in Geel, Belgium - Plug & play: no power outlet needed, just turn on - Custom welcome message recording - AI Inspiration Helper: generates fun/sweet/funny message ideas for nervous guests - Digital delivery of all audio files, professionally edited - Booking system with calendar availability - Shipping (EUR 19) + security deposit (EUR 69) Originally Stijn's idea. Now a live product serving weddings, parties, and corporate events. [email protected] | Based in Geel, België