Yeastar S-Series 20 Users 10 Calls 4 Port 1 GSM
Yeastar’s S20, S-Series VoIP PBX is designed with small and medium sized enterprises in mind and supports up to 500 users. Yeastar’s S-Series delivers impressive cost savings, productivity and efficiency improvements, while delivering power, performance, quality and peace of mind.
The S-Series features comprehensive auto provisioning, advanced plug and play capability, as well as an intuitive Metro UI driven by point-and-click configuration, accessible from any location. It works with SIP/IAX2, PSTN lines, ISDN BRI, E1/T1/PRI, and GSM/CDMA/3G. There are no hidden costs and licensing fees as all software and firmware