Yeastar D30 Extension Expansion Module

The Yeastar D30 module can be used to expand the System capacity of a Yeastar IP PBX device. With D30 module, users will be able to add up to 100 VoIP Users and make up to 30 concurrent calls. The Yeastar expansion module can support Yeastar S100 VoIP PBX and Yeastar S300 VoIP PBX.