Possible slips may have revealed the first stages of a possible European Commission investigation into the continent's top five carriers. The FT heard from sources that Deutsche Telekom (T-Mobile), France Telecom (Orange), Telecom Italia, Telefonica (O2), and Vodafone were under scrutiny for a series of "E5" meetings on the state of the industry. Concerns existed that they had used the discussion to possibly collude on prices and policies, hurting competition.