Ding offers top up services through its website and smartphone applications, as well as through retail stores in North America, Europe, and the Middle East regions. The company also provides international calling service which enables customers to purchase call credit online in order to make international long distance calls worldwide. In addition, it offers direct connections to international mobile phone operators in the Asia Pacific, Africa, the Caribbean, Latin America, and Eastern Europe. The company was founded in 2006 and is based in Dublin, Ireland with regional headquarters or offices in Miami, Florida; Bucharest, Romania; Dubai, United Arab Emirates; Saudi Arabia; Qatar; Dhaka, Bangladesh; and San Salvador, El Salvador.