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.
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
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.
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.





