Yeastar addresses the challenges through the P-Series PBX System, a “PBX Plus More” product that allows businesses to have uninterrupted communications at all times in a fully-fledged system. Beyond just a PBX, it provides SMEs with visualized call management, advanced call center features, unified communications applications, anywhere anytime connectivity, and everything practical yet outperforming across mobiles, desktops, and browsers.​