Yeastar S20 – S-Series VoIP PBX for Small Business

Yeastar S20 VoIP PBX

The Yeastar S20 VoIP PBX is a standalone business phone system designed for organisations with fewer than 20 users. It supports up to 10 concurrent calls and 20 Voice over Internet Protocol trunks. Therefore, small offices can manage internal and external calls through one compact platform. Its modular design also supports different telephony connections as communication needs change.

Product Overview

The Yeastar S20 VoIP PBX combines call management, Unified Communications features, and flexible telephony interfaces. It supports call routing, Interactive Voice Response, conferencing, messaging, and call recording. As a result, teams can handle daily business communication more efficiently.

Two onboard module slots allow businesses to configure Foreign Exchange Station, Foreign Exchange Office, Integrated Services Digital Network Basic Rate Interface, or mobile network connections. In addition, its graphical user interface simplifies configuration and routine management. Phone auto-provisioning also helps reduce setup time for supported Session Initiation Protocol phones.

Key Features

• Supports 20 users, making it suitable for small teams that need a central business telephone system.
• Handles 10 concurrent calls, allowing several employees to communicate without relying on separate phone lines.
• Supports 20 VoIP trunks, providing flexible connectivity to compatible internet telephony services.
• Provides up to four FXS, FXO, or BRI ports through modular configurations for different telephone requirements.
• Supports one 3G or 4G channel, which can add compatible mobile network connectivity.
• Includes call routing, Interactive Voice Response, conferencing, and recording tools for organised call handling.
• Offers remote configuration and real-time monitoring, helping authorised administrators manage the system efficiently.
• Supports phone auto-provisioning, which simplifies the deployment of compatible IP phones.

Technical Specifications

• Brand: Yeastar
• Model: S20
• Product type: Standalone Voice over Internet Protocol Private Branch Exchange
• Supported users: 20
• Concurrent calls: 10
• VoIP trunks: 20
• Onboard module slots: 2
• Telephony interfaces: Up to 4 FXS, FXO, or ISDN BRI ports
• Mobile connectivity: Up to 1 3G or 4G channel
• Management features: Remote configuration, real-time monitoring, secure access, and instant alerts
• Provisioning: Automatic provisioning for supported SIP and IP phones

Common Applications

This phone system suits small offices, retail businesses, schools, clinics, guest facilities, and branch locations with fewer than 20 users. Moreover, its modular architecture serves organisations that need to combine IP calling with analogue extensions, outside telephone lines, BRI connections, or a supported mobile channel.

Why Choose This Product?

The Yeastar S20 VoIP PBX provides essential business calling features without demanding a large deployment. Its plug-and-play approach, web-based interface, and phone provisioning tools simplify installation. Meanwhile, modular ports let administrators select suitable connection types. Remote monitoring can also reduce onsite maintenance requirements. Consequently, the S20 offers practical long-term value for a growing small business.

Frequently Asked Questions

How many people can use the Yeastar S20 VoIP PBX?

The system supports up to 20 users and manages up to 10 concurrent calls.

Which telephony interfaces can the S20 support?

Its two module slots can support configurable FXS, FXO, ISDN BRI, and 3G or 4G interfaces.

Does the S20 support automatic IP phone setup?

Automatic provisioning is available for numerous supported SIP and IP phone models, reducing manual configuration work.

Can administrators manage the S20 remotely?

The remote management platform supports secure access, configuration, real-time monitoring, and system alerts.