Expansion Board for Yeastar S100 and S300 systems Supports up to 4 optional modules/8 ports, including O2, S2, B2, GSM, UMTS, and CDMA modules Add up to 2 expansion cards to S100 and 3 to the S300
Features
- Supported with S100 and S300.
- 0
- April 20, 2019
- Yeastar
