Grameenphone Ltd, launched on Bangladesh's Independence Day in 1997, is the leading telecommunications provider in the country with over 54.5 million subscribers and a market share of 46.3% as of 2016. It operates as a joint venture between Telenor and Grameen Telecom, and has invested over BDT 259 billion since its inception to establish a nationwide network covering over 99% of the population. The network supports GPRS, EDGE, and 3G services, making Grameenphone the largest cellular provider with the highest call rates in the market.