A fax that is sent via a computer running fax software to a fax machine using dial-up modems and analog phone lines. To receive a fax, the computer and fax application must also be running.

VOCAL’s V.34 fax/facsimile software implements recommendation ITU-T V.34 which defines the modulation methods and operating sequences for a fax modem used on General Switched Telephone Networks ...

Fax machines aren't common household items, so sending and receiving faxes can be a challenge. Fortunately, you can use the internet to send faxes for free, without worrying about paper and toner ...

VOCAL’s facsimile/fax lawful interception software library provides fax demodulation software for image extraction and decoding from intercepted PSTN audio signals. It allows interception, monitoring, ...