According to The Americas Telecoms Directory, as at January 2011 the Argentine telecommunications market is made up of 7 main operators ... Claro URL: http://www.claro.com.ar Company name: Claro Argentina S.A. Technology: GSM 850/1900 launched March 2004 - EDGE active - UMTS partial launch November 2007 (continued rollout since) - HSDPA partial launch November 2007 (cont. rollout since) Owner(s): América Móvil (100%) Mobile subscribers: 19,442,000 (Combined with Argentina, Paraguay and Uruguay) IPLAN URL: http://iplan.com.ar Company name: Iplan Networks S.A. Technology: Fixed line launched - 1999 (Current - Voice, Internet) Owner(s): Madison Dearborn Partners (MDP) | LPL Investments Group, Inc. Movistar | Telefónica URL: http://www.movistar.com.ar | http://www.telefonica.com.ar Company name: Telefónica Móviles Argentina S.A. - Telefónica de Argentina S.A. Technology: Fixed line (Current - Voice, Internet) - GSM 1900 launched June 2002 - GPRS active - EDGE active - UMTS launched July 2007 - HSDPA 3.5G launched July 2007 Owner(s): Telefónica S.A. (Telefónica de Argentina S.A.) (100%) Mobile subscribers: 16,412,600 Nextel URL: http://www.nextel.com.ar Company name: Nextel Communications Argentina S.R.L. Technology: iDEN active Owner(s): NII Holdings, Inc Mobile subscribers: 1,100,000 Personal | Telecom URL: http://www.personal.com.ar | http://www.telecom.com.ar Company name: Telecom Argentina S.A Technology: Fixed line (Current - Voice, Internet) - GSM 1900 launched August 2005 - GPRS active - EDGE active - UMTS launched May 2007 - HSDPA service in selected areas from Q1 2007 Owner(s): Nortel Inversora S.A. (54.74%) | Public (41.05%) Mobile subscribers: 15,988,000 TECOOP URL: http://www.tecoop.com.ar Company name: TECOOP comunicaciones argentinas Technology: Fixed line (Current - Voice, Internet) Owner(s): FECOTEL Telmex URL: http://www.telmex.com/ar/ Company name: Telmex Argentina Technology: Fixed line (Current - Voice, Internet) Owner(s): Telmex Internacional |