Explain what VoIP is and how it works
How VoIP Works: At a Glance. 1  With VoIP, analog voice calls are converted into packets of data. 2  Using a VoIP service, you can call landline or cell phones. 3  When evaluating, it's worth noting that you can make or receive calls using landline telephones.ow VoIP works for your business is simple: By adding voice to a data network, youâll reduce costs, improve productivity, and enhance collaboration. 1  You'll save money by having one network to manage instead of two.
Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, broadband telephony, and broadband phone service.oIP systems employ session control and signaling protocols to control the signaling, set-up, and tear-down of calls. They transport audio streams over IP networks using special media delivery protocols that encode voice, audio, video with audio codecs, and video codecs as Digital audio by streaming media.