The Voice and Fax Logger is equipped with a built in fax decoder which decodes all the intercepted fax and present in the original format in which they were sent. The Voice Fax Monitoring and Logging system can also be used for audio recording (such as, speech, discussions, telephonic conversation, etc.) received through microphone, telephone, voice modem, radio stations or others sources of recordable sound and stores the data on personal computer in the digital format.