Telecom Argentina S.A. is the major local telephone company for the northern part of Argentina, including the whole of the city of Buenos Aires. Briefly known as Sociedad Licenciataria Norte S.A., it quickly changed its name, and is usually known as simply "Telecom" within Argentina. Together with Telefónica de Argentina in the southern part of the country, was part of the national fixed telephone market duopoly, until 8 October 1999. Telecom also operates the mobile phone service Personal, the cable modem service Arnet-Fibertel and the cable operator Cablevisión, now under the brand "Flow". Wikipedia