Smartlink Network Systems Limited engages in developing, manufacturing, marketing, distributing, and servicing networking products. The company offers converged communication solutions, such as switching, broadband routing, wireless LAN, IP surveillance, VoIP, and other converged communications products under the DIGISOL brand. It also provides consultancy, site evaluation, network planning, site audits, and technical support services. The company sells its products to distributors, original equipment manufacturers, and system integrators. It operates in India and internationally. The company was formerly known as D-Link (India) Ltd. and changed its name to Smartlink Network Systems Limited in 2009. Smartlink Network Systems Limited was founded in 1993 and is based in Mumbai, India.