| 摘要 |
Disclosed is a FAX communication system for improving security and reliability of FAX communication. A FAX receiver receives FAX data and transmission source information. A transmission destination designation information acquisition section obtains transmission destination designation information during indirect communication of FAX data. A transmission destination number extraction section extracts stored and managed transmission destination numbers using the obtained information. An encryption processor extracts stored and managed serial numbers using the obtained information and encrypts identification data containing at least one of the transmission source information and serial number related to FAX data for transmission to generate encrypted data. An encrypted data attaching section attaches the encrypted data to FAX data for transmission to generate FAX data with encrypted data. A FAX transmitter transmits the FAX data with encrypted data to the transmission destination number. A decryption section receives the FAX data with encrypted data to decrypt the encrypted data.
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