Described herein is a facsimile to voice over IP adapter for the real-time reliable transmission of audio messages using HTTP, the voice over IP adapter having audio adapter interfaces, the audio adapter interfaces capable of receiving a audio encoded facsimile data stream; ethernet adapter interfaces, the ethernet adapter interface capable of transmitting an HTTP encoded facsimile image; a fax processor, the real-time fax processor capable of receiving a one or more audio streams from the audio adapter interface and packetizing the one or more audio streams into an HTTP encode facsimile image; where the facsimile is capable of being transmitted from a source facsimile machine through an voice over IP adapter, and further transmitted to a destination facsimile machine.