
Be on the phone
Polite Interruptions
Use the phrase to politely interrupt or inform others you can't speak because you're busy on a call.

Can we talk later? I'm on the phone right now.
Cultural Norms
In many cultures, it's considered rude to be on the phone while interacting face-to-face with others.

Sorry, let me step outside. I'm on the phone with my boss.
Call Duration
The phrase doesn't specify how long you'll be on the phone, just that you are currently engaged.

I can't help you at the moment; I've been on the phone for a while.
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