Yeastar D30 Module
Expands capacity by 100 extensions and 30 concurrent calls. 1 module on the S100 and up to 2 modules on the S300
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Yeastar D30 Module
DSP Expanson Module for Yeastar S100 and S300 Systems. Install on the motherboard to expand capacity by 100 extensions and 30 concurrent calls.
Use up to 1 module on the S100 and up to 2 modules on the S300