The Yeastar brand is a leading provider of communication and telephony solutions for businesses. The company mainly manufactures VoIP (Voice over Internet Protocol) telephone systems and related equipment. Yeastar's products are used to optimize enterprise telephone and communication networks, increase efficiency and provide better customer service. 

Yeastar products include IP PBX systems, VoIP phones, GSM/3G/4G gateways, PSTN gateways, including video conferencing solutions and accounting and contact management equipment. These devices enable businesses of all sizes, including small and medium-sized enterprises, to communicate more efficiently and securely.This allows businesses to seamlessly integrate Yealink products into their existing infrastructure, enhancing overall communication efficiency.