Description

Yeastar DSP Expansion Module for Yeastar S100 and S300 Systems. Install on the motherboard to expand capacity by 100 extensions and 30 concurrent calls.

• Add 100 VoIP users + 30 concurrent calls
• Supports Yeastar S100 and S300 system
• Use up to 1 module on the S100 and up to 2 modules on the S300