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A visitor came while I was on the phone.
My child was making calls without permission.
Please hang up first.
My phone bill doubled from last month.
It's hard to find the right moment to hang up.
Be careful, international calls are expensive.
The person on the phone suddenly got angry.
I made a restaurant reservation by phone.
The lines are busy. Please call back later.
I'd like to make a reservation for two at seven tonight.
The landline is down because of the power outage.
I called the hospital and made an appointment.