SK Planet

ICT Synergy

ICT Synergy

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 AI, IoT, and media.

Mobile Service

Mobile communications based value-added services with greater convenience
SK Planet is responsible for managing various value-added services to provide a more convenient mobile communications service experience for SK telecom customers. Including complimentary services such as Sori-sam and Lettering, and charged services such as Call keeper, Coloring, and Messaging, we manage some 80 different types of value-added services. We also reliably operate about 20 types of messaging value-added services such as web out-going message alert services and other value-added services such as friend finder, teenager protection services, and more. We also participate in the planning and development of new value-added services to provide a better mobile communications experience.

T Coloring

New concept intelligent Coloring service
T Coloring, which is available through application and mobile web, is a service developed to enable mobile communications customers to design and express their own unique ring tones with the latest songs and top-quality contents. It has a wide range of music from all genres including music of the latest trends and users can easily purchase and set it up to their liking through a simple search function. It also enhances user convenience by providing 'situation-specific coloring' services that consider situations when it is difficult to answer, such as while driving or in meetings, classes, and while exercising. You can also easily set different time zone and caller specific colorings and send it as a gift it to your friends. The T coloring application is available for download on One Store and Google Play, and iOS users can also easily access the service via mobile web (


Easy and secure mobile phone data backup/ restoration service
C.Link is a mobile phone backup/ restoration service that can easily transfer various data from your previous device to your new device when you exchange mobile phones at SK Telecom distributors. It makes changing devices much more convenient through USB communication to perfectly restore mobile phone data including contacts, photos, ringtones, texts, call records, videos, etc. to your new device. In addition, it can be installed and used according to the customer’s choice from the new device by providing automatic installation of previously used apps and backing up the app list, making it hassle-free to use in new devices. It can be backed up/ restored in a wide range of devices such as 3,000 kinds of Android devices, all series of iPhones, and feature phones. Through a phone data app that is installed post restoration, you can get recommendations of useful apps after replacing devices and view data usage status of the new device. C.Link is a PC-based program that is actively used by approximately 4,000 SK Telecom distributors.


Establishing and operating SK Telecom’s integrated account service
T ID is an integrated ID that allows you to conveniently use various services provided by SK Telecom and Oksusu, SK Broadband’s video platform service with one account. Based on development and operations experience in account integration and verification, SK Planet has been in charge since T ID’s establishment to current operations and aims to continuously upgrade and improve its services for a more stable and convenient customer experience. Account usage status and history are available for viewing on T ID’s portal website ( and all information is safely secured at the highest level with a dual protection system. Customers can register and use T ID through an easy and simple process and is available for use through websites and applications of various services such as T world, T membership, Oksusu, T map, NUGU, and more.