VoIP is an IP telephony term for a set of facilities used to manage the delivery of voice information over Internet. It enables a user to make cheap telephone calls over a broadband Internet connection, instead of using a regular telephone service.
A major advantage ot VoIP is that it avoids the tolls charged by ordinary telephone service. A user can make a call locally or in other parts of (JS or Canada, or anywhere else in the world, eliminating long distance fees by using a VoIP service. The concept of VoIP is used in wireless LAN networks and sometimes referred to as wVoIP, VoFi, VoWi-Fi and Wi-Fi VoIP.