Makes it easier to place long distance calls. Easy Prefix automatically adds/replaces CSP (Service Provider code) when you place a long distance call. This is done according to the SIM being used, and at the very moment a long distance call is placed, making contacts management much easier.
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
