Voice over Frame Relay (VoFR) is a protocol to transfer voice over Frame Relay networks.Voice over Frame Relay , Alliance Datacom. on line November 28, 2007.VoFR Definition , pcmag.com encyclopedia. Accessed on line November 28, 2007. VoFR uses two sub-protocols, FRF.11 and FRF.12. FRF.11 defines the frame format of VoFR, and FRF.12 is used for packet fragmentation and reassembly.
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