According to one embodiment, there is provided a facsimile apparatus connected to a home gateway, which is connected to an IP telephone network, via a communication line, the facsimile apparatus including a facsimile-signal detecting section configured to detect a facsimile identification signal in an incoming signal and a controller configured to instruct, when the facsimile identification signal is not detected in the incoming signal, using an SIP, the home gateway to perform a transfer operation for connecting a telephone set connected to the home gateway and a telephone set on an outgoing call side connected to the IP telephone network.