Discover the power and efficiency of Yeastar IP PBX systems for your business communication needs. Explore our comprehensive guide to Yeastar IP PBX, featuring advanced features, scalability, and seamless integration, making it the ideal choice for businesses of all sizes.y. Their solutions are widely used in various industries and sectors, including businesses, education, hospitality, government, and more. Yeastar's product range included: S-Series VoIP PBX, Yeastar Cloud PBX, VoIP Gateways,