Korean phrase
통화 중이세요. tong hwa chung i se yo
Meaning
Are you on the phone?
When to use it
This politely asks whether someone is on a phone call. It can check whether the person can respond and has a slightly formal tone.
Example dialogue
실례하지만 지금 통화 중이세요? sil lye ha ji man chi geum tong hwa chung i se yo
Excuse me, are you on the phone right now?
아니요, 지금 통화 중이 아니에요. 무슨 일이세요? a ni yo chi geum tong hwa chung i a ni e yo mu seun i ri se yo
No, I'm not on the phone right now. What's the matter?