Yeastar S300

Supporting up to 500 users and 120 concurrent calls, Yeastar P570 shares the same user capacity as S300 VoIP PBX while providing a higher degree of functionality, reliability, and ease of use. With Yeastar P570, you can expect a complete range of Unified Communications features plus richer out-of-box integrations that power connections today and tomorrow.
Specifications
300 Users (expandable to 500)

60 Concurrent Calls (expandable to 120)

Up to 24 FXS/FXO/BRI Ports

Up to 6 GSM/CDMA/3G/4G Channels

Up to 3 E1/T1/PRI Ports