でんわちゅう
Meanings
Noun
1. during a telephone call; busy line
Composed of
telephone call; phone call; telephone (device); phone
medium; average; moderation; middle school; China; volume two (of three); during (a certain time when one did or is doing something)
Examples (4 in total)
I'm on the phone.
He's now on the phone.
I'm on the phone right now.