MORRISVILLE, N.C. -- South Korean mobile operator KT is deploying Tekelec’s market-leading Policy Server (PCRF) for its LTE and 3G networks. The Policy Server will support KT’s new Voice over LTE (VoLTE) offering, LTE data plans and Rich Communication Suite (RCS) service.South Korea is the world’s second largest LTE market and one of the most advanced mobile markets in the world. Five months after launching its service, KT exceeded one million LTE subscribers. The operator exceeded three million LTE subscribers in mid-November and four million by the end of 2012. About 63 percent of KT’s 3G and LTE subscribers use smartphones and in December the operator released Apple’s iPhone® 5, which has gained sensational popularity.Tekelec’s Policy Server will support daily and monthly quota tracking for a variety of services, including voice, Internet usage, file transfer, instant messaging, and video telephony. The daily tracking will give KT new flexibility to offer per diem packages and service options across 3G, LTE and RCS services – a rarity in the industry.KT Corp.