VoIP is an abbreviation for Voice over Internet Protocol, a technology that allows you to make or receive calls over the internet. It enables users to make calls from smartphones, computers, VoIP phones, and special browsers. It is useful for businesses and individuals, with features that are not present in landline phones. The landline phone is connected using copper wires and is restricted to a physical location. A VoIP phone is not bound to one location as it uses the internet to function. Features of VoIP phones include call recording, caller ID, voicemail to email, etc.