VoIP has revolutionized business communication around the world. While it shares a tone of similarities with traditional phone systems, it also comes with an equal measure of contrasts.What’s the main difference between VoIP and regular phone systems?It might be the efficiency that comes with over-the-internet calls. It might be the ability to cut across multiple devices. But those are not the real differences, or are they?Here’s the real one. It’s all in the how, rather than in the why.While VOIP (Voice over internet protocol) relies on an internet...