kt 이용증명원 the issuance of a KT user certificate free of charge
Guide to issuing and using KT User Certificate (3000 characters or more) 1. What is KT User Certification Center? The KT Usage Certification Form is a document that proves the fact of subscribing to and using various services provided by KT. If you need to prove that you are using KT Internet, TV, mobile phone, … Read more