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What is the difference between VoIP and VoFR?

VoIP is "Voice over Internet protocol" and works by packetizing voice and placing it in an IP packet for transmission. VoFR is "Voice over Frame Relay" although it is not as widely used today as VoIP. A previous expert response covers the benefits of VoIP versus VoFR.

This was last published in September 2006

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What is the difference between VoIP and VoFR?