To prevent the leakage of a content to a third party even if a reception opposite party is absent and he cannot directly receive FAX by permitting a receiver to accumulate the content of an original in a storage device or to encode and output it when a special pattern provided in the specified part of the transmission original is recognized.

When the NSS signal of a non-standard function setting signal to which a code showing a secret node is added is added is received at the time of negotiation after a reception-side facsimile equipment having the storage device is connected with a transmission-side, the receiver becomes a secret mode. When negotiation terminates, the reception of a facsimile message is started, an analog signal is demodulated into code data and it is decoded into picture data by a decoding means 7 and is preserved in the storage device 8 of a memory. The specified areas of a transmitter/receiver names and a title are outputted, a password is inputted and the permission of data output is received, the content of the received facsimile message is outputted.