Yeastar S20 – S-Series VoIP PBX for Small Business

Yeastar S20 VoIP PBX Compact entry-level small business phone system Easy to use, reliable and feature-rich

Easy to use. Powerful in Production Built for Small Business

Yeastar S20 is a stand-alone PBX system with unrivalled range of features for business with less than 20 users. It’s built to be simple to use and powerful in production.

20 Users

10 Concurrent Calls

Up to 4 FXS/FXO/BRI Ports

Up to 1 GSM/3G/4G Channel

20 VoIP Trunks

Connect, communicate and collaborate the way you like

With S20 to work with Yeastar Linkus UC softphone and Linkus Cloud Service, experience the ultimate convenience of doing business anywhere, on any device

Meet Linkus UC Softphone

Connect

Eliminate complexity and connect on any device anywhere with Linkus UC Softphone.

Communicate

Voice, conferencing, messaging. Get all advanced features for smarter conversations.

Linkus UC Softphone

Collaborate

Corporate Directory. Presence. File Sharing. It’s about the team-up.

CRM Integration

Salesforce CRM, Microsoft Dynamics 365,Outlook Contacts, Google Contacts…

S50 VoIP PBX Modular Design

Flexible Modular Design

Free Telephony Interfaces Combination
With Yeastar S-Series, all the telephony interfaces are modular and customizable, S20 support 2 onboard module slots to custom FXS, FXO, ISDN BRI, GSM/3G/4G.
Meet S-Series VoIP PBX Modules

Powerful Remote Management

Benefit from a highly secure platform to monitor and manage your PBX system(s) remotely and centrally. Whether you are a phone system end user or a IT reseller, Yeastar Remote Management tool is here to free you from technical headaches and reduce IT & maintenance costs.

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powerful remote management

Secure Access

Remote Configuration

Real-time Monitor

Instant Alert

Robust Feature Set Crafted for Your Business Needs

Complete Built-in FeaturesExtra Capacity with App Center

Complete Built-in Features

From basic call routing, IVR to advanced call conferencing and recording, Yeastar S-Series VoIP PBX provides you with all-inclusive features without extra licensing fees.

See All Featurescomplete built-in features

Supported IP Phones

Yeastar S-Series support auto provisioning with numerous SIP/IP phone brands and models.

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4G LTE Solution

4G LTE Solution

SIP over 4G LTE. Ideal for temporary locations, mobile offices, and more.

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Branch Office Solution

Branch Office Solution

Interconnect multisite with ease and benefit from free and seamless inter-office communications.

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Related S-Series Model

Find the best model for you >

S412 VoIP PBX

S412 VoIP PBX

Flexible and modular VoIP PBX with up to 12 FXS Extensions and up to 4 CO/BRI lines.

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S50 VoIP PBX

S50 VoIP PBX

Compact and full-featured IP-PBX that support 50 users and 25 Concurrent Calls.

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S100 VoIP PBX

S100 VoIP PBX

Cost-effective business phone system with up to 200 users and 60 concurrent calls.

Learn More

S300 VoIP PBX

S300 VoIP PBX

Enterprise-class IP telephony services that support scale up to 500 users.

Learn More