At Jumping Bean we use Asterisk via the Trixbox distribution as our PBX server. We recently upgraded to Trixbox 2.2.1 which uses Asterisk 1.2.18. Our BRI ISDN lines link into several cheap Duxbury ISDN cards.
When using these cards with Trixbox the "install-ZAPHFC" script needs to be run patch asterisk and compile the drivers. The current "install-ZAPHFC" script however does not have spandsp and rxfax support built in.
Given the scripts lack of support for spandsp and therefore faxing we adjusted the script to get it to compile the neccessary moduels.
To run: