통화 못 해

can't talk on the phone

→ 통화
phrase Rare #31,808
can't talk on the phone Depending on context, it can mean being unable or not allowed to talk on the phone.
KO: 지금은 통화 못 해.
EN: I can't talk on the phone right now.

오래 통화 못 해

I can’t stay on the phone long.

— Miracle in Cell No. 7 (2013)

오래는 통화 못 해

I can't stay on the phone for long.

— 행복한 라짜로 (2018)

올라가면 이걸로 통화 못 해 안에 전화가 있으니… 이게 그 전화 죠?

Once you go upstairs, you can’t make calls with this. There’s a phone inside… This is that phone, right?

— 천공의 성 라퓨타 (1986)