「TELECOMMUNICATIONS BUSINESS ACT」 (b) Value-added telecommunications services through which text messages are sent by directly or indirectly connecting a text-message-sending system to telecommunications equipment of a telecommunications business operator; 15. The term "telecommunications number" means any number by which communications networks, telecommunication services, areas, users, etc. can be classified and identified for providing or using telecommunication services. 16. The term "Wi-Fi" means a local area network whereby the Internet can be used within a certain distance using radio waves, etc. at a place where wireless access devices are installed; 17. The term "Internet of Things" means the interconnection of things and people by electronically collecting, processing, storing, searching, transmitting, receiving, or utilizing information about things or by managing or controlling things through information and communications networks defined in subparagraph 8 of Article 2 of the Framework Act on Intelligent Informatization. Article 2-2 (Application to Conduct Committed Overseas) This Act shall apply to any conduct committed overseas if such conduct affects the Korean market or users in the market. [This Article Newly Inserted on Dec. 24, 2018] Article 3 (Duties to Provide Services) (1) No telecommunications business operator may refuse to provide any telecommunications service, without good cause. (2) A telecommunications business operator shall perform his or her business in a fair, swift and accurate manner. (3) Fees for telecommunications services shall be reasonably determined so as to ensure the efficient development of the telecommunications business and to provide users with convenient and various telecommunications services fairly and inexpensively. Article 4 (Provision of Universal Service) (1) Each telecommunications business operator shall have obligations to provide universal service or to compensate for losses incurred in relation thereto. (2) Notwithstanding paragraph (1), the Minister of Science and ICT may exempt any of the following telecommunications business operators from obligations: <Amended on Mar. 23, 2013; Jul. 26, 2017> 법제처 3 국가법령정보센터