Yeastar Ip PBX S20

The Yeastar S20 is a compact VoIP PBX phone system designed for small businesses needing a flexible, stand‐alone telephony platform. It supports up to 20 users and 10 concurrent calls, with 20 VoIP trunks for external SIP connectivity. Its modular design lets you add analog (FXS/FXO), BRI or GSM/3G/4G interface modules to blend VoIP with traditional lines. The system includes built‐in features like IVR, call routing, conferencing, voicemail (expandable), call recording and more without extra license fees. An intuitive web GUI and remote management tools make setup and administration straightforward, and it integrates with softphones and SIP‐compatible devices for unified communications.