Cisco's completed acquisition of Tandberg will shift the balance of power in the video conferencing space, as it vaults Cisco to the position of No. 1 market share leader. But Polycom, LifeSize ...

As of late Thursday, Cisco controlled 89.1 percent of Tandberg shares. According to a Friday statement from Cisco, it purchased a total of 2,238,600 shares of Tandberg on November 18 and 20 ...