AnswerGFI FaxMaker supports a wide range of faxing devices and virtual Fax-over-IP technology.
For analog technology either an analog modem or an analog fax board can be used.
Please note that GFI Software recommends the use of a professional fax hardware instead of modems.
- A list of supported analog modems can be found here
- A list of vendors providing professional analog fax boards can be found here