VoIP is the acronym for Voice over Internet Protocol. VoIP is the term associated with sending voice and audio over the data lines. It is also more commonly referred to digital phone and phone over internet services. This technology allows businesses to make traditional phone calls, send faxes and SMS messages at any time of day or from anywhere with a with access to the Internet. It can also be much more cost effective than traditional telephone long distance services while taking advantage of the flexibility of digital data.