Ring Back Tone (통화연곰읜) -

Value-added services like RBT are critical for telecom operators to boost Average Revenue Per User (ARPU) . Experts predict VAS could contribute over 20% of total telecom revenue by 2025.

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. Ring Back Tone (통화연결음)

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) Value-added services like RBT are critical for telecom

As of 2021, the service offered approximately 4,000 types of videos , including K-pop idol content and user-created videos. South Korea pioneered this market, with SK Telecom

The service typically costs around 3,300 KRW ($2.00) per month . Creators can also monetize their work through a dedicated marketplace, receiving payments based on user downloads. 3. Future Trends & Strategic Value

The global RBT market was valued at $5 billion in 2024 and is projected to reach $6.67 billion by 2030 .

V Coloring is increasingly being positioned as a mobile advertising platform for businesses.