This research aims to make a legal analysis regarding allegation of violation by PT. Telekomunikasi Indonesia related to its unfair business competition through its product called Indihome Triple Play. In addition, the study aims to determine the settlement of the unfair business competition to the Telecommunication Business in Indihome Triple Play by the Commission for the Supervision of Business Competition (KPPU). The research method used in this research is a normative legal research with statute and case approach. The result of research show that PT. Telekomunikasi Indonesia does not violate the provision of Unfair Business Competition because, Telkom does not fulfil the element of violate allegation by KPPU. Then for the settlement this case, KPPU brought this case with the initiative of KPPU. KPPU stated that, PT Telkom violated the provision of unfair business competition. In the process of handling the case in KPPU, firstly KPPU conducted a study. The purposes of the study were to make clear if the Telkom violated the law. Secondly, KPPU conducted a research, research aimed to obtain the early evidence related to the allegation. Thirdly, KPPU conducted the supervision on Telkom. The next step after the supervision was investigation, then filling the case. After filing the case was finished, and then the case was brought to the trial of the Commission Council. The case of Indihome now is in the examination of witnesses by the investigators. The research recommends that the PT. Telekomunikasi Indonesia should socialize the products offered by Telkom, so that people do not misunderstand, and the public must better understand the full information of what Telkom offers, so there is no misunderstanding. KPPU as an institution that supervises the implementation of Law No. 5 of 1999 on the prohibition of monopolistic practices and unfair business competition, KPPU has been carrying out its duties mandated by the Law on the unfair business competition, and in the future KPPU must be better to execute the unfair business competition and more careful in guarding unfair business competition.