If you don't know a number you can always it up in the directory.
Hold on a minute, l'll see if she's free.
It took a long time but eventually I get through to him.
The switchboard put me through to the manager's office.
This is a terrible line. I can't hear you very well. You'll have to speak up.
I don't have the figures. I'll have to get back to you tomorrow.
I can't talk now. I'll call you your latter.
He's on his mobile and the signal is weak that's why we keep getting cut off.
When you finish a call you hang up.
It's been ringing for ages. I wish she'd pick up the phone.