Speaking on the phone is our daily activity. In a day we may speak on the phone with our beloved friends, family members, business partners and friends and so on. To have a very effective and productive conversation through telecommunication, you will learn some very good examples in this book so that you understand how you have to speak on the phone.
Speaking on the phone is a little bit different in English, therefore you need to know the details. For example, we can “Who is that” if we don’ know who is calling you. But you cannot say “Who are you calling?”. This is just one example. There are a lot of phone conversation in this book that you can learn.