At least 90% of all cellular phone users in India are on prepaid services, feature phones are still commonplace,[1][2][3][4] internet access is not widely-available in some rural regions, and there is low market penetration for mobile broadband services.[5][4] Along with advertising, missed call numbers are also used for other services, such as telephone banking, as well as program listings and viewer voting by television channels.[17][18][19]