SK Telecom took team of journalists and photographers to the remote island of Baekyeong (near border between South and North Korea). There they saw a number of locals test voice and video calls on LTE-enabled handsets provided by the carrier. And the quality of communication seemed to range between solid and exceptional!
SK Telecom officials claim VoLTE will provide enough of value-added experience that customers will be glad to pay for. SK Telecom branded its VoLTE offerings as "HD Voice". Compared to the existing 3G voice calls, it offers up to 2.2 times better sound quality and a twice faster call connection speed, requiring less than 0.3-2.5 seconds in call connecting time. \koreatimes.co.kr