전화를 받아요 · 받았어요 · 받을 거예요 · 받으세요
to answer the phone, to take a call
Example
수업 중이라서 전화를 받을 수 없었어요.
I was in class, so I couldn't answer the phone.
Word parts
받다 means 'to receive': you receive the call.
Good to know
When you answer, say 여보세요; to hang up is 전화를 끊다.