To provide a facsimile communication system capable of realizing the facsimile communication of a broadcasting type short in transmission time.

This system is provided with a transmission side facsimile equipment 100, reception side facsimile equipments 3001-300n respectively connected to a dedicated communication network Ne and a facsimile adapter device 1 interposed between the dedicated communication network Ne and the transmission side facsimile equipment 100. Then, the facsimile adapter device 1 respectively transmits image signals transmitted from the transmission side facsimile equipment 100 through the dedicated communication network Ne to the reception side facsimile equipments 3001-300n, generates various signals transmitted from one piece of reception side facsimile equipment on the other hand and transmits these signals to the transmission side facsimile equipment 100. Further, the facsimile adapter device 1 receives response signals or the like transmitted from the reception side facsimile equipments 3001-300n but does not transmit them to the transmission side facsimile equipment 100.