ADTRAN, Inc. designs, manufactures and markets solutions and provides services and support for communications networks. The Company?s solutions are deployed by providers of communications services (serviced by its Carrier Networks Division), and small and mid-sized enterprises (SMEs) (serviced by its Enterprise Networks Division), and enable voice, data, video and Internet communications across wireline and wireless networks. The Company operates in two segments: the Carrier Networks Division and the Enterprise Networks Division. During the year ended December 31, 2011, sales of Carrier Networks products accounted for 79.4% of total revenue, while sales of Enterprise Networks products accounted for 20.6%. On August 4, 2011, the Company acquired Bluesocket, Inc. In May 2012, the Company ann... (Source: SEC reports)