On April 10, 2012 the company Yealink, a leading manufacturer of IP-phones and VoIP communication systems, has announced the official start of sales of the new IP videophone Yealink VP530.
BT&T TELECOM GROUP CORPORATION is a Delaware, USA company incorporated in 1999. BT&T`s vision is to be a key player in the burgeoning telecom horizon, most especially in the Americas and Asia-Pacific countries.