D30 – Yeastar 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. Use up to 1 module on the S100, and up to 2 modules on the S300.

YST-D30 DSP User and Call Expansion Module for S100 S300

• The Yeastar EX08 has four onboard module slots and eight interfaces on the panel.
• EX08 Card only supported on YeastarMyPBX S Series S100 and S300.
• The Yeastar s100 support maximum of 2 EX08 cards and S300 Support 3 cards.
• It is used to expand the capacity of PBX. 1 pcs of D30 stands for 100 extensions and 30 concurrent calls.