Package efax

A program for faxing using a Class 1, 2 or 2.0 fax modem

http://www.cce.com/efax/

Efax is a small ANSI C/POSIX program that sends and receives faxes
using any Class 1, 2 or 2.0 fax modem.

You need to install efax if you want to send faxes and you have a
Class 1, 2 or 2.0 fax modem.

General Commands (Section 1)
efax
efax [ options ] [ -t num [ file... ] ]
efix
convert between fax, text, bit-map and gray-scale formats
fax
fax provides a simple user interface to the efax(1) and efix(1) programs. It allows you to send text or Postscript files as faxes and receive, print or preview...