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SK Planet

Business Solution

Business Solution

Offering innovative solutions and services based on advanced technologies, SK Planet opens up new possibilities by demonstrating its technological capabilities in various areas such as IoT, media and AI.

ICT Solution photo

Mobile Service

Mobile value-added services bring greater convenience
SK Planet is responsible for operating various mobile value-added services to bring greater connivence to SK Telecom customers. Our wide range of services include some 80 different types of mobile value-added services as well as about 20 types of messaging value-added services to provide a smarter mobile communications experience.

T Coloring

A smarter way to enjoy ringback tone service
T Coloring is a service developed to enable mobile telecom subscribers to express themselves by personalizing their ringback tones. Latest trending music and high-quality sound clips are available for download on One Store and Google Play, while iOS users can easily download the service at

V Coloring

Coloring service gets smarter with video ringback
V Coloring is a service that plays a short-term video selected or created by the person being called on the caller’s mobile phone while the call is being connected. The video ringback tone service will take root as Korea’s leading platform for short-form videos, which are emerging as one of the main contents in the 5G era. The service is being expanded to be made available to subscribers of all three Korean mobile operators SK Telecom, KT and U+, as well businesses and wired network.


Integrated account service for SK Telecom subscribers
T ID is an integrated ID that allows users to conveniently use various services provided by SK Telecom with a single account. Building on development and operation experience in account integration and verification, SK Planet has been in charge of T ID operation since its roll out, and aims to continuously upgrade and improve its services for a more stable and convenient customer experience.


New communication channel between businesses and customers
Bizchat system allows businesses to send two-way multimedia messages to target customers who have agreed to receive advertisements from SK Telecom. SK Planet is involved in service planning, system development and operation, and sales of Bizchat system.