Yeastar D30 Expansion Module

The Yeastar D30 is a DSP expansion module designed for Yeastar S-Series and P-Series IP PBX systems. It is used to increase system capacity by adding more users and supporting more simultaneous calls. When installed, it expands the PBX by up to 100 additional extensions and 30 concurrent calls per module, improving overall system performance and scalability without replacing the main hardware. The module is easy to install on the PBX motherboard and is commonly used in business communication systems to grow capacity as the organization expands while maintaining reliable voice performance.