This document introduces FreeSBC, a new software-based session border controller (SBC) product from TelcoBridges that offers core SBC functions for free using a "freemium" business model. The free version provides basic SBC capabilities while a paid version offers additional features like 24/7 support and analytics tools. FreeSBC is targeted at carriers and enterprises looking for a highly scalable and flexible SBC solution with a low total cost of ownership.