If you have multiple computers connected to a network and only one fax modem and want to use it from all computers, you must share the fax modem on the network. To share a fax modem, you need to ...

CDMA phone (If you have a GSM phone, see GSM USB modem for OS X on the Mac. Windows users, first configure your phone as a modem, then use a separate dial-up ISP or paid GPRS connection.) ...

The Difference Between Data & Fax Modems. Modems have been in use by the private sector since the early 1960s. All modems use phone lines to transmit information, but not every modem is the same ...