Phone conversation

When you are a caller

Hello?
Is that Daran?
Can I speak to Daran?
May I speak to Daran?

When you are a receiver

This is Daran speaking, who's that?
Who's speaking please?
Who's calling please?

When you ask the caller to wait

One moment please.
Just a minute please.
Hold on please.
Hang on please

When you ask the caller to leave messages

Can you leave the message?
Can I take your message?
Would you like to leave a message?
Would you like him/her to call you back?

When calling the wrong number

I'm afraid you got the wrong number
Sorry, I think you reach the wrong number

When asking the receiver to transfer the line

Can I have extension 567 please?
Could you please transfer the line to Mr. Daran please?

When finish talking

Nice talking to you
Talk to you later