You have to hand it to the Japanese and Korean operators for being creative and inventive and for trying out new things that keeps the customers engaged.

KTF is launching a voice analysis service on its network which claims to be able to identify if the caller is lying. The new ‘Truthful Calls’ service by KTF is based on Nemesysco’s innovative voice analysis system and acts as an emotion detector, assessing the level of honesty of the person phoned.

Western operators could learn a thing or two …