Yeastar Neogate S20The Yeastar S20 is a compact, feature rich VoIP PBX (Private Branch Exchange) system designed for small businesses. It provides an efficient and cost effective way to manage voice communication with both VoIP and traditional telephony features. Key features of the Yeastar S20 include: 2 FXS Ports: These ports allow the connection of analog phones or fax machines to the VoIP system, offering flexibility in using existing analog devices. Supports up to