Ericsson is the driving force behind the Networked Society - a world leader in communications technology and services. Our long-term relationships with every major telecom operator in the world allow people, business and society to fulfill their potential and create a more sustainable future. Our services, software and infrastructure - especially in mobility, broadband and the cloud - are enabling the telecom industry and other sectors to do better business, increase efficiency, improve the user experience and capture new opportunities. Our ambition is to lead the market transformation as the new ICT market evolves. With approximately 115,000 professionals and customers in 180 countries, we combine global scale with technology and services leadership. We support networks that connect more than 2.5 billion subscribers. Forty percent of the world's mobile traffic is carried over Ericsson networks. Founded in 1876, Ericsson has its headquarters in Stockholm, Sweden. Net sales in 2015 were SEK 246.9 billion (USD 29.4 billion). Ericsson is listed on NASDAQ OMX stock exchange in Stockholm and the NASDAQ in New York. Ericsson invests 35 billion SEK every year in R&D to drive our technology leadership toward the Networked Society. With some 39,000 patents, Ericsson is the largest holder of standard-essential patents for mobile communication. Ericsson was one of the first foreign telecommunications companies to establish operations in Vietnam since 1993. Ericsson is long-term and strategic partner to all Vietnamese operators. Ericsson is currently a major supplier to all GSM mobile operators in Vietnam and provider to 3G network operators.