Yeastar telephone systems
Yeastar s-series VOIP PBX system is a wonderful choice for the medium to large enterprises. This series is designed to support up to 500 users and is built with cutting edge features. It provides good cost savings, productivity, and efficiency.
The Yeastar S-series with PBX is compatible with a variety of telephonic configurations and modules. The smaller S20 is capable of handling 2 modules without the need for expansion boards while the larger S100 requires 2 expansion cards but is able to support up to 8 modules. The S300 will accept 12 modules with the provision of 3 expansion cards.
For the S100 and the S300, expansion cards are needed for the addition of modules.