Ring Back: Tone (통화연곰읜)

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.

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.

Future iterations of RBT are expected to use AI-powered recommendation engines to suggest content based on caller behavior and preferences. Ring Back Tone (통화연결음)

As of 2021, the service offered approximately 4,000 types of videos , including K-pop idol content and user-created videos.

V Coloring is increasingly being positioned as a mobile advertising platform for businesses. The most significant recent shift is the transition

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 . Future iterations of RBT are expected to use

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)