To troubleshoot fax problems that occur when you use a fax application to send a fax from Microsoft Word, use the steps listed in the "More Information" section of this article. NOTE : There are many third-party faxing software products available...
Vgetty turns your voice modem into an answering machine. It adds voice capabilities to mgetty. This means, that you can handle data, fax and voice calls on one telephone line.
TTMessenger - Make and receive phone/video calls, send faxes, send or receive SMS, create PDF documents for free. - Review and free download at Download.com