Is one of message forms via the Internet; you only have to press the icon or button on the site and the connection with the operator will follow immediately. This function is often used on the websites for a quick connection.
Founded in 2000, ATOP Technology is an innovative manufacturer based in Shenzhen, China, specializing in researching, designing and production of network communication products. As one of the early network equipments makers, ATOP Technology has undergone
Read more