SK telecom launched W-CDMA (3G) roaming service for the first time in Korea. Overseas W-CDMA service subscribers can make voice calls and access data services through their own mobile phone and number via SK telecom W-CDMA (3G) network in Korea. By using your own handset number, you can freely receive calls from family, friends and colleagues back home. Any businessperson using CDMA (3G) Roaming Service can enjoy more convenient service through SK telecom roaming.