Yeastar D30 Extension Expansion Module
Key Features

• Yeastar YST-D30 DSP Expansion Module for S100 and S300
• The Yeastar D30 is a DSP module, used to expand the capacity of S-Series PBX.
• For each D30 module added, the max amount of users increased by 100, and concurrent calls increase by 30.
• Expand the power of your VoIP phone system without needing expensive hardware with this module.
• Yeastar YST-D30 Compatibility: Yeastar S100 and Yeastar S300