This document provides examples of expressions to use when answering phone calls. It gives phrases like "You've reached...", "It's Mr/Mrs... here", and "It's Mr/Mrs... speaking" to identify yourself when answering. It also provides responses like "Please hold and I'll put you through" or "Just a second. I'll see if s/he is in" when needing to find the intended recipient. The document encourages visiting their website and subscribing to their YouTube channel for more videos on grammar.