acfax software package provides Receive faxes using your radio and sound card, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install acfax
acfax is installed in your system.
Make ensure the acfax package were installed using the commands given below,
$ sudo dpkg-query -l | grep acfax *
You will get with acfax package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Ham Radio |
| Package | acfax |
| Version | 981011-17 |
| Description | Receive faxes using your radio and sound card |
| Sub Section | hamradio |