| 摘要 |
A fax monitoring apparatus comprises one or more line interface means to simultaneously detect and analyze audio signals produced on any given telephone line by two connected fax machines, analysis means to analyze and interpret the said audio signals to form a compressed fax image, expansion means, to expand the compressed fax image into a bit-mapped image, storage means, to store the compressed fax image and/or the bit-mapped image, and display means to display the bit-mapped image of the original fax transmission. A method for monitoring and analyzing the activity of a telephone line is also claimed. |
