Yealink - is a global leader in the production of IP-Phones, Conference Phones, Video Conference Equipment, Video Phones, VoIP Headsets for Unified Communication (UC) systems. Yealink's products are distinguished by their high quality, reliability, ease of installation, and affordable prices due to their full focus on IP communication systems. Today, in more than 100 countries of the world, companies operating in various business fields choose Yealink products to increase the reliability, quality and ergonomics of their communication networks. Yealink is the second largest company in the world and the first in the Chinese market in terms of production volume of SIP phones.

Since 2012, Zetron Telecom has been the official distributor and representative of Yealink Network Technology in the territory of the Republic of Azerbaijan. According to the results of 2016, Yealink entered the list of TOP2 SIP phone manufacturers in the world, and in Azerbaijan, the Yealink brand took the 1st place in terms of the sales volume of SIP phones.