30-Minute Business Korean Day21 부재중이십니다~ : Answering the phone - When you receive a call late

30-Minute Business Korean _Day8: Phone Etiquette Basics_전화응대 기본

30-Minute Business Korean _Day7: 1주차 종합복습

30-Minute Business Korean _Day5: 전화 용어 및 표현 Answering Calls, No More Panic!