Yeastar S50 VoIP PBX Phone is a compact and full-featured IP-PBX for up to 50 users and 25 concurrent calls. Yeastar S50 IP PBX comes in a 19″ 1U rack-mountable chassis and is capable of supporting ISDN BRI, PSTN, and GSM connectivity. Powered by the latest processor technology, Yeastar’s S-Series PBX is a trust worthy telephone system with one of the highest MTBF (Mean Time Between Failures) in the industry. Based on Asterisk 13, S-Series is born to be powerful and constantly meeting your needs.
