Yeastar S-Series VoIP PBX provides flexible telephony interfaces combination while allowing for future scalability with unique modular design. Besides the built-in rich SIP capabilities, S-Series lets you decide what types of extensions and physical trunks you need in your telephone system. When your business grows, adding more users and concurrent calls is also possible with S-Series.
- DSP Expansion Module for Yeastar S100 and S300 Systems.
- Install on the motherboard to expand capacity by 100 extensions and 30 concurrent calls.
- Use to up 1 module on the S100 and up to 2 modules on the S300.