Portugal Telecom is a provider of telecommunications and multimedia services in Portugal and Brazil. Its services include fixed, mobile, multimedia, data and corporate solutions. Portugal Telecom was incorporated on 1994, as a result of the merger of Telecom Portugal, S.A., Telefones de Lisboa e Porto (TLP), S.A. and Teledifusora de Portugal, S.A. (¿TDP¿). In February 2010, Portugal Telecom acquired a 100% equity stake in GPTI, which operates in the IS/IT services market in Brazil. The company has presence in the European, American, Asian and African continents. Quoted on the Lisbon and New York Stock Exchange, Portugal Telecom has more than 100 million customers.