Yeastar S-Series VoIP PBX
Work Smarter, Easier and Closer with Powerful Unified Communications
Easy to Use and Manage
All-inclusive Features
Uncompromised Security
Unified Communications
Remote Management
Perfect Integration
One Platform
All Communications
Experience the ultimate convenience of doing business anywhere, on any device with S-Series VoIP PBX to work with Yeastar Linkus UC softphone and Linkus Cloud Service. Gain the advantage over your competition by combining voice, instant messaging, conferencing, presence, and more…all from one single platform.
All office extension feature
Click/touch to make, receive, transfer or record a call and check voicemails and recordings from anywhere.
Instant messaging & file sharing
Text anyone from your company directory and share file in real-time with ease. Powered by Linkus Cloud Service.
CRM integration
Screen-pop upon calls and more from your Zoho CRM.
Presence
See who is available, busy or offline immediately and intuitively with colored status indicator.
One number on all devices
Maintain a single number across devices with Linkus installed on your computer, iPhone or Android phones.
Unparalleled Ease of Use and Management
With an intuitive browser-based interface and a robust set of management tools, productivity soars as you focus on your business, not your phone system.
Scalable Modular Design
Flexible combination of telephony interfaces & Easy future expansion.
Meet S-Series VoIP PBX Module
Telephony Modules
FXS extensions module, FXO module,PSTN fallback module, BRI module,and GSM/3G/4G module.
Expansion Boards
Supports 4 modules in one EX08 Expansion Board Supports 1 E1/T1/PRI port in one EX30 Expansion Board.
System Capacity
Expand SIP users and concurrent calls when your business grows with DSP Module.
Excellent Interoperability
Use Your Existing IP Phones, SIP Trunk... all at your choice Easily integrate IP phones, hotel phones, SIP paging systems, door phones, and any SIP compliant endpoints, and systems. Proven interoperability with worldwide SIP/PSTN/ISDN trunks; certified with 80+ SIP trunk providers. Work seamlessly with legacy PBX, software-based PBX, or other servers to preserve the existing equipment and capitalize on the new technology Quickly auto provision IP phones from Yealink, Fanvil, Cisco, Snom, Polycom, Gigaset, Grandstream, Htek etc.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.Learn More
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.
See All Features
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.
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Rich Robust API
Open immense opportunity with rich built-in API interfaces, which allow you to connect your phone system with third-party web applications or software to fulfill specific needs.
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Yeastar On-premises PBX Models
Show Full Chart in Datasheet| S412 | S20 | S50 | P550 | P560 | P570 | |
| Features |  |
 |
 |
 |
 |
 |
| Users | 20 | 20 | 50 | 50 | Up to 200 | Up to 500 |
| Concurrent Calls | 8 | 10 | 25 | 25 | Up to 60 | Up to 120 |
| Max FXS Ports | 12 | 4 | 8 | 8 | 8 | 16 |
| Max FXO/BRI Ports | 4 | 4 | 8 | 8 | 8 | 16 |
| Max Cellular Ports | 2 | 1 | 4 | 4 | 4 | 6 |
| Max E1/T1/J1 Ports | 一 | 一 | 一 | 一 | 1 | 2 |
| VoIP Trunk | 4 | 20 | 50 | 100 | 200 | 500 |
| Features | Basic level | Basic level | Basic level | Higher level | Higher level | Higher level |
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Unified Communications
Microsoft Teams
WhatApp
Microsoft Outlook
SMS
Azure AD
Zoho CRM
Oracle Opera PMS
Zendesk
Yeastar announced the Disaster Recovery solution for the P-Series Phone System, empowering enterprises with cross-region redundancy for uninterrupted communications in the face of disasters.