This guide attempts to walk you through installing a faxing solution on top of Asterisk that has FreePBX as it’s frontend GUI/dialplan generator.
So for it to work, you need to be
1) Using Debian (this is a Debian guide btw)
2) Have a working Asterisk
3) Running FreePBX 2.7 or higher (don’t need that if you do manual dialplans tho)
The process is as follows: