Russia's VimpelCom beat profit forecasts for 1Q11, growing the figure 55% to $589.7 million (€407 million) despite increased competition from MegaFon and MTS in its domestic market.
HP has sold its video conferencing business to Polycom for $89 million (€61.4 million) and has agreed to resell Polycom products, as part of a new focus on software and cloud services.
Microsoft will demand chipmakers work with just one tablet PC vendor when it rolls out its next generation PC operating system in 2012. Windows 8 is being designed to work on desktop and touch screen devices.
Nokia denies reports Microsoft is mulling buying its device business, which were re-ignited by a profit warning by the vendor earlier this week.
BT and ZTE have launched a new R&D joint venture concentrating on next-generation fixed and wireless technologies.
Irish operator Imagine Networks is suing Motorola for €107 million for failing to meet contractual obligations covering the rollout of a Wimax network.