KT, South Korea's largest fixed-line operator, announced Monday it has completed construction of a high-speed undersea telecom cable across the Pacific with its overseas business partners.

In 2006, KT established an international consortorium with carriers Verizon Business of the US, China Telecom, China Netcom, China Unicon and Taiwan's Chunghwa Telecom to build an 18,000-kilometer undersea cable linking South Korea, China and Taiwan with the US, to meet growing demand for transpacific Internet service.