Yeastar S20 S-Series VoIP PBX for Small Business

Yeastar S20 – S-Series VoIP PBX for Small Business

The Yeastar S20 is a stand-alone, industrial-grade VoIP PBX designed specifically for small businesses that require a professional communication edge without high overhead costs. Supporting up to 20 users and 10 concurrent calls, it utilizes a unique modular design that allows you to customize your telephony interfaces with FXS, FXO, ISDN BRI, or even GSM/3G/4G modules. Powered by advanced TI DSP voice processors, the S20 delivers crystal-clear communication and advanced enterprise-grade features such as call recording, IVR, and seamless mobile integration via the Linkus UC App.

Technical Specifications

Yeastar S20 Variation Price Table

Product Features

• Modular Flexibility: Customize your system with networking modules to bridge the gap between traditional PSTN lines and modern VoIP.
• Unified Communications: Access the Linkus UC App for Windows, macOS, iOS, and Android, turning your mobile device into an office extension.
• Built-in Call Recording: Monitor performance and improve customer service with on-demand or system-wide call recording capabilities.
• Advanced Security: Features an internal firewall, IP blocking, and support for TLS/SRTP encryption to protect your networking infrastructure from hackers.
• Zero Licensing Fees: A cost-effective solution with no hidden charges or recurring per-user licensing fees for standard PBX features in your networking environment.

Yeastar S20 Pros and Cons

Pros

• Compact, fanless design ensures quiet operation in small offices.
• Extremely low power consumption (under 11W).
• Supports remote management for easy off-site troubleshooting and updates.
• Reliable “future-proof” design with lightning protection for your networking setup.

Cons

• Limited scalability (Max 20 users); growing businesses may eventually need to upgrade to the S50 or S100 models.
• Modular cards (FXO, FXS, GSM) are sold separately, increasing the initial setup cost of your networking solution.

Suitable Users

• Small Startups: Businesses needing professional IVR (Auto-attendant) and call routing at a low entry cost for their networking needs.
• Law Firms & Consultancies: Where call recording and mobility (Linkus App) are essential for client management.
• Retail Branches: Connecting multiple branch sites instantly via the networking capabilities of S-Series PBX.
• Remote Teams: Ideal for offices with up to 20 employees who work both on-site and remotely in a networking capacity.

Yeastar S20 Requirements

• Yeastar S20 S-Series VoIP PBX for Small Business
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Conclusion

The Yeastar S20 stands out as a “Swiss Army Knife” for small business telecommunications. By blending the reliability of on-premise hardware with the modern features of cloud-based systems, it provides an unbeatable ROI. Whether you are looking to integrate legacy PSTN lines or move entirely to SIP, the S20’s modular design ensures that your networking needs are met today and adaptable for tomorrow.