All-in-one analog and VoIP capable phone system. Perfect for start-ups and small business. Unifying the advanced VoIP technology with robust analog capacity, Yeastar S412 provides a future-ready solution that delivers exceptional productivity and cost-savings. 
 
16 VoIP Users
8 Concurrent Calls
Up to 4 FXS Ports
Up to 4 FXO/BRI Ports
Up to 2 GSM/3G/4G Channels