State-owned Bharat Sanchar Nigam Limited, or BSNL, as well as private enterprises, among them Vodafone, Bharti Airtel, Reliance, Idea Cellular, Aircel, Tata DoCoMo, Tata Teleservices, Virgin Mobile, and MTS India, are the leading telephone and cell phone service providers in the city.[157]: 25–26 : 179 with Kolkata being the first city in India to have cell phone and 4G connectivity, the GSM and CDMA cellular coverage is extensive.[158][159] As of 2010[update], Kolkata has 7 percent of the total Broadband internet consumers in India; BSNL, VSNL, Tata Indicom, Sify, Airtel, and Reliance are among the main vendors.[160][161]