- Person calling:
may I speak to .............., please?

Can/could i speak to ......?

I'd like to speak to........
IS .......... there by any chance?

Could you put me through to Mr /miss......?

Hello , may I have a word with ......
- Person answering the call

hold the line.please.

hang on for a moment.

i'll just see if he/she is in.

i"ll find out if she/he is in the.....

i'm afraid she/he isn't in at the moment.

Sorry, she/he/,.... is out

i think she/he/..... has just gone out. 

Sorry to keep you waiting.

yes,....... speaking

wOULD you like to call/ring back later?

Who's calling?

May I have your name?

May i ask who's calling?

Can I take a   message?

Can I give him a message?

Sorry you have been waiting