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.
10 Concurrent Calls
Up to 4 FXS/FXO/BRI Ports
Up to 1 GSM/3G/4G Channel
20 VoIP Trunks
Simple to use and manageEasy to use with plug-and-play, phone auto provisioning, and intuitive GUI.
Full-featured + Robust UCConnect and collaborate any way, on any device with complete feature set.
Remote ManagementReduce IT & maintenance costs with highly-secure remote monitor and control.
Reliability over yearsFree lifetime software upgrade plus high-end security to assure reliability over years
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
Eliminate complexity and connect on any device anywhere with Linkus UC Softphone.
Voice, conferencing, messaging. Get all advanced features for smarter conversations.
Corporate Directory. Presence. File Sharing. It’s about the team-up.
Zoho CRM, Microsoft Dynamics 365, Google Contacts…
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.
Robust Feature Set Crafted for Your Business Needs
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.
Extra Capacity with App Center
Independent from the main framework of the system, App Center allows you to add and manage Apps independently for extra functionality like hotel app, billing, call center integration, etc.
Supported IP Phones
Yeastar S-Series support auto provisioning with numerous SIP/IP phone brands and models.
Microsoft Teams Integration
Enable enterprise voice to Microsoft Teams users and add more advanced features such as IVR, Call Forwarding, etc. on your Teams.
Branch Office Solution
Interconnect multisite with ease and benefit from free and seamless inter-office communications.
Call Center Integration
Support integration with QueueMetrics and Asternic Call Center to drive business success.
Boost business productivity with screen-pop upon calls and more integration features.
Streamline hotel operations with Hotel PMS Integration, Hotel App, and more functionalities.
Related On-premises PBX Models
Flexible and modular VoIP PBX with up to 12 FXS Extensions and up to 4 CO/BRI lines.
Compact and full-featured IP-PBX that support 50 users and 25 Concurrent Calls.
“PBX-Plus-More” system that supports up to 200 users and 60 concurrent calls.