We often have “conference calls” with our customers or suppliers. This basically means we are all in a meeting room with the phone on speaker phone so everyone can talk and everyone can listen, and the customer in another county or country can do the same on their side. We also use online software to share our computer screens, so I can go through a 3D model on my laptop & the customer could be in France looking at my screen at the same time. This makes it much easier to discuss a 3D model or to go through a list of questions. We’ve also used Skype before to do interviews from abroad!
Yes, Skype and other technologies are very useful these days for communicating with people in other places, as Katie’s example shows. The simple answer to why it works is that computers are all connected together, on the Internet, and the signals travel so fast from one computer to another that it doesn’t really matter how far away they are. The theory is simple but a lot of clever engineering goes into making sure that it all works properly.
Skype works using a technology called voice-over-internet-protocol (VOIP). This allows your voice to be carried over an Internet connection instead of over a phone line. VOIP simply converts the sound of your voice (and the picture if you make video calls) into computer data. It then sends this computer data over the internet to the other persons computer, then rebuilds the picture & sound on the other persons computer.
Imagine it as the computer taking your image & voice, turning it into computer code, emailing the code to your friend and then rebuilding it to turn it back into your voice and image on your friends computer.
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