Enterprise-class Communications Tailored for You
Support up to 500 users, Yeastar S300 delivers enterprise-class IP telephony services with a strong presence in scalability, mobility, 3rd-party integration, unified communications, and the ease of use and management.
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 S300 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, video, messaging. Get all advanced features for smarter conversations.
Corporate Directory. Presence. File Sharing. It’s about the team-up.
Salesforce CRM, Microsoft Dynamics 365,Outlook Contacts, Google Contacts...
Scale and Customize
Unique modular design for extra flexibility
Yeastar S300 VoIP PBX allows 3 Expansion Boards to customize FXS, FXO, ISDN BRI, GSM/3G/4G, or E1/T1/PRI port, and supports 2 D30 module for user/concurrent call expansion.
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.
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.
Supported IP Phones
Yeastar S-Series support auto provisioning with numerous SIP/IP phone brands and models.
4G LTE Solution
SIP over 4G LTE. Ideal for temporary locations, mobile offices, and more.
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 more your CRM platform.
Streamline hotel operations with Hotel PMS Integration, Hotel App, and more functionalities.
Related S-Series Model
Flexible and modular VoIP PBX with up to 12 FXS Extensions and up to 4 CO/BRI lines.
Stand-alone telephone systems offering an unrivalled range of features to small business.
Compact and full-featured IP-PBX that support 50 users and 25 Concurrent Calls.