What is VoIP? Voice over Internet Protocol (VoIP) is the ability to transmit voice over the Internet to either a receiving computer, telephone or perhaps a smart phone. VoIP phone is ending up being the popular around the world telephone service for the company and both consumer communities. VoIP works by utilizing a network innovation known as Packet Switching Network whereas landline telephones use the Circuit Switching Network. This is referred to as the general public Switched Telephone Network. What’s the distinction in between VoIP regular phones? More Info: