Donning its game face, Microsoft has revealed a It isn't completely certain whether Microsoft will launch its own device, but it is forcing other companies to build handsets with specific hardware specifications (certain CPU and speeds, screen aspect ratio and resolution, memory, and button configurations). Known carrier partners include AT&T, Deutsche Telekom AG, Orange, SFR, Sprint, Telecom Italia, Telefonica, Telstra, T-Mobile USA, Verizon Wireless, and Vodafone, while Dell, Garmin-Asus, HTC, HP, LG, Samsung, Sony Ericsson, Toshiba, and Qualcomm are signed on to ship hardware. The first batch of Windows Phone 7 Series devices should land this holiday season.