The year is 2019, and you could easily be forgiven for thinking that the telephone is dead. Oh sure, we’re all basically superglued to our mobiles, but out of all the things we use them for, making phone calls doesn’t even break the top 10 list. When it comes to business, it can feel as though we are all being pushed to communicate via chatbots, social media, emails and even instant messaging, instead of picking up the phone.