L 88/44 Official Journal of the European Union 29.3.2007 II (Acts adopted under the EC Treaty/Euratom Treaty whose publication is not obligatory) DECISIONS COMMISSION COMMISSION DECISION of 26 April 2006 declaring a concentration compatible with the common market and the functioning of the EEA Agreement (Case COMP/M.3916 — T-Mobile Austria/tele.ring) (notified under document number C(2006) 1695) (Only the German version is authentic) (2007/193[EC) On 26 April 2006 the Commission adopted a Decision in a merger case under Council Regulation (EC) No 139/2004 of 20 January 2004 on the control of concentrations between undertakings (1), and in particular Article 8(2) of that Regulation. A non-confidential version of the full Decision can be found in the authentic language of the case and in the working languages of the Commission on the website of the Directorate-General for Competition, at the following address: http://ec.europa.eu/comm/ competition/index_en.html SUMMARY OF THE DECISION This case concerns a proposed operation pursuant to Article 4 of Regulation (EC) No 139/2004 (the Merger Regulation), whereby the undertaking T-Mobile Austria GmbH (T-Mobile, Austria), part of the German group Deutsche Telekom AG (Deutsche Telekom), acquires, within the meaning of Article 3(1)(b) of the Council Regu- lation, control of the whole of the undertaking tele.ring Unternechmensgruppe (tele.ring, Austria). T-Mobile and tele.ring operate mobile networks in Austria and are also active on related end-customer and wholesale markets. The proposed transaction involves T-Mobile acquiring all the shares in tele.ring. The market investigation has revealed that in the Austrian market for the provision of mobile telecommunication services to end customers the concentration would raise () O] L 24, 29.1.2004, p. 1. serious impediment to effective competition mainly through unilateral effects. The undertakings proposed by the parties, however, are suitable to remove the compe- tition concerns. 1. The relevant product markets The market investigation to define the relevant product markets confirmed that as to the market for the provision of mobile telecommunication services to end customers that there is a single market for the provision of such services to end customers and that no further distinction needs to be made, for instance by customer type, voice telephony and data services, 2G and 3G networks. As to the wholesale of termination services, the network of each operator represents its own single market, as viewed by the Commission in previous decisions and reflected in the Commission’s Recommendation 2003/311/EC () on relevant product and service markets within the electronic communications sector. () O] L 114, 8.5.2003, p. 45.