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Fax over Internet Protocol (FoIP) is a fax technology that uses digital packets for Internet transfer. Two key FoIP approaches are store forward and real time. Store forward uses email to transfer data from a source to destination. Real-time is similar to traditional phone line faxing, where IP data packets transfer from source to destination via high-level IP, such as Transmission Control Protocol (TCP) or User Datagram Protocol (UDP). FoIP is also known as IP faxing.
FoIP standards include:
FoIP implementation follows a series of sequential steps, as follows: