Yeastar S100 VoIP PBX - Phone System, 100 Users, 16 Port, 30 concurrent calls

Yeastar S100 VoIP phone system is a great value business communication IP-PBX with a base configuration of 100 users and 30 concurrent calls and can scale up to 200 users and 60 concurrent calls. The flexible S100 comes with support for analog ports, ISDN BRI, E1/T1/PRI, and GSM networks. Yeastar S100 supports expanding up to 2 Expansion boards (not included) and supports expanding one DSP module (not included). Powered by the latest processor technology, Yeastar’s S-Series PBX is a trustworthy 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.