1 E1/T1 Port Expansion Board for Yeastar S100 and S300 systems Add up to 2 boards to S100 and up to 3 to S300
Features
- Supported with S100 and S300.
1 E1/T1 Port Expansion Board for Yeastar S100 and S300 systems Add up to 2 boards to S100 and up to 3 to S300