日本語をクリックすると英文が表示されます。まずは自分で英語にしてから答え合わせを。
I made a tentative reservation by phone.
I'll explain the details over the phone.
Call the main number and ask for the extension.
I think we can settle this over the phone.
I am letting you know that my phone number has changed.
Let's make an appointment by phone first.
Please mind the time difference when you call.
Could you give me the direct phone number of the person in charge?
Have you ever made an international call?
Please leave a message on the voicemail.
It would help if you could call me by five.
I called back right after hearing the voicemail.