The global RBT market was valued at $5 billion in 2024 and is projected to reach $6.67 billion by 2030 .
South Korea pioneered this market, with SK Telecom (SKT) launching the world’s first RBT service, "Coloring," in March 2002 . Within 10 months, it achieved a 35% subscriber penetration rate. Korean Carrier Variants: SK Telecom: Coloring (컬러링). KT: Tooring (투링). LG Uplus: Feeling (필링). 2. Service Evolution: From Audio to Video (V Coloring) Ring Back Tone (통화연결음)
The most significant recent shift is the transition to , which plays short-form video content on the caller's screen during the call setup period. The global RBT market was valued at $5