How does VoIP or voice over Internet protocol work

Question

How does VoIP (or voice over Internet protocol) work? What makes it dissimilar from the traditional phone service?

Answer 1

Usually, a phone conversation is transformed to electronic signals which traverse an elaborate network of the switches, in a dedicated circuit which lasts the time period of a call. In Voice over Internet Protocol, a conversation is transformed to packets of data which flit all over the Internet or private networks, just similar to e-mails or Web pages, although voice packets get priority status. The packets acquire reassembled and transformed to sound on another end of the call.