Established in 1876, Ericsson is one of the leading providers of telecommunications equipment and related services. It offers services to various mobile and fixed network operators globally. The company operates more than 1,000 networks in over 175 countries. Ericsson works in collaboration with Sony Ericsson Mobile Communications and offers a range of mobile devices, including those supporting multimedia applications. The company provides border and area security and emergency response services. It serves various clients in the government sector. Ericsson also specializes in signal processing services.