Ring Back Tone (통화연곰읜) -

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)

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 Ring Back Tone (통화연결음)

Ring Back Tone (RBT) Service Report The Ring Back Tone (RBT) service, known as (Tong-hwa-yeon-gyeol-eum) or Coloring (컬러링) in South Korea, has evolved from a simple audio personalization tool into a sophisticated multi-media value-added service (VAS). 1. Market Overview South Korea pioneered this market, with SK Telecom

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. KT: Tooring (투링)

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

While SKT launched V Coloring in September 2020, all three major Korean carriers (SKT, KT, LG U+) began offering it as a unified joint service in May 2021.

Trends like "Green VAS" (e.g., promotional RBTs for environmental causes) are emerging to align with Gen Z consumer values. VAS Telecom: Top Services to Boost ARPU in 2025 - Telesens