Yeastar D30 DSP Expansion Module

Yeastar S300 IP-PBX System – Up to 500 Users

Professional Yeastar IP-PBX system designed for businesses and organizations, supporting up to 300 users as standard and expandable to 500 users, with up to 120 concurrent calls using supported expansion modules. It supports VoIP, analog, BRI, GSM/3G/4G, and E1/T1 connectivity depending on the installed configuration.

Yeastar S300 is a professional S-Series IP-PBX system designed for businesses and organizations requiring a scalable and flexible business communication platform. The system supports up to 300 users in its standard configuration and can be expanded to 500 users using supported D30 DSP modules. It supports up to 60 concurrent calls as standard and can be expanded to 120 concurrent calls, depending on the installed expansion configuration. The S300 features a modular architecture that allows the installation of modules for FXS/FXO analog lines, BRI, GSM/3G/4G, and supported E1/T1 connectivity. It also provides two Gigabit Ethernet ports with Single, Bridge, and Dual networking modes. The system can be used in offices, companies, organizations, and projects requiring centralized business communication, IP phone extensions, external trunks, analog connectivity, and integration with compatible communication solutions. Product status: Yeastar S300 has been officially end-of-sale since July 1, 2022. Yeastar currently identifies the P570 as its recommended replacement. This product page should therefore clearly indicate its availability/status if the unit is being offered as existing stock or through a legacy supply channel.