if someone call me, how to ask them - who they are? why do they call me?

Question

Update:

which company do you work for?

who do you call me?

Update 2:

which company do you work for?

WHY do you call me?

Answer 1

Favorite Answer

In a business context:

Hi or hello. You have reached (your own name and department at (name of firm).

May I ask who is calling? 

Thank you Mr, Mrs, Ms. How can I help you today?

In a social context: Hi, who is calling and how can I help?

Answer 2

               

Answer 3

There's no reason to answer the phone these days unless you know who it is.