The Yeastar S20 IP PBX is a compact, stand-alone IP telephone system designed for small businesses, supporting up to 20 users and 10 concurrent calls. It features a modular design for flexible connectivity options and a web-based interface for easy management.

Key Features

• User and Call Capacity: Supports up to 20 users and 10 concurrent calls.
• Modular Design: Features two onboard slots that can accommodate various modules (FXS, FXO, ISDN BRI, GSM/3G/4G) to integrate with both IP and legacy phone lines.
• VoIP Trunks: Includes support for up to 20 SIP trunks.
• Unified Communications (UC): Offers the Linkus UC Client application for Windows, Mac, iOS, and Android devices, integrating voice, instant messaging, and presence.
• Built-in Features: Provides a wide range of standard PBX features without extra licensing fees, including automated attendant (IVR), built-in call recording, voicemail-to-email, call forwarding, call transfer, music on hold, and more.
• Ease of Use: Reviewers praise the intuitive, graphical web-based management interface, which mimics a computer desktop and allows for easy point-and-click configuration.
• Integrations: Supports integration with CRM software, call center applications, Microsoft Teams, and hotel management systems via its App Center.
• Security and Reliability: Built with industrial-grade components and includes security features like a built-in firewall, TLS, and SRTP encryption.

Technical Specifications

Expert and User Opinions

Experts and users highlight the cost-effectiveness, reliability, and flexibility of the Yeastar S20 IP PBX.  Overall, the S20 is considered a powerful and versatile entry-level IP PBX that delivers professional-level service for small business need