A fax-over-packet software architecture has been described for the interworking of fax machines and packet networks. Some of the key features enabling these applications to function successfully are as follows:

• an approach that addresses the effect of delay through the network
• a process that minimizes the effect of jitter
• features that address lost-packet compensation

Though the QoS issues associated with carrying FoIP networks are significant, the future of this approach will be driven by the substantial cost savings and exciting applications made possible with FoIP software technology.