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The phone and the doorbell rang at the same time.
My phone bill doubled from last month.
A visitor came while I was on the phone.
Be careful, international calls are expensive.
Please hang up first.
I made a restaurant reservation by phone.
It's hard to find the right moment to hang up.
I'd like to make a reservation for two at seven tonight.
The person on the phone suddenly got angry.
I called the hospital and made an appointment.
The lines are busy. Please call back later.
I checked room availability with the hotel by phone.