The Voice over Internet Protocol technology, as we know, allows users to make calls over the existing internet network or infrastructure. So how do we ascertain whether the networks available in our place will be able to support VoIP services? Also, what could be the requirements for the installation of a VoIP system? And what are the benefits and costs of VoIP? Let’s take a look at some of the key points that should be considered for VoIP to function on a particular network.