Yeastar has an Award-winning VoIP PBX System.
Yeastar S-Series VoIP PBX provides a flexible telephony interfaces combination, while allowing for future scalability with a unique modular design. Besides the built-in rich SIP capabilities, S-Series lets you decide what types of extensions and physical trunks you need in your telephone system. When your business grows, adding more users and concurrent calls is also possible with S-Series.
FXS extensions module, FXO module, PSTN fallback module, BRI module, and GSM/3G/4G module.
Supports 4 modules in one EX08 Expansion Board. Supports 1 E1/T1/PRI port in one EX30 Expansion Board.
Expand SIP users and concurrent calls when your business grows with DSP Module.
Voxtelesys is a Preferred Yeastar SIP Carrier. Voxtelesys has been fully tested and certified with each build of Yeastar software. Yeastar strongly recommends using Voxtelesys' SIP Trunk Service to insure compatibility and the highest quality possible.
Linkus is a unified communications app for Windows desktop and Mac desktop, plus iPhone and Android phones. Designed for Yeastar Cloud PBX and S-Series VoIP PBX, it transforms your desktop and mobile phone into a fully-featured office extension.