under this directory, there are: 1) mISDN for bri cards, under this directory, users can download the zip files and recompile misdn, or manually edit the hfcmulti.c with the patch. 2) bristuff with different versions for bri cards and G400P GSM driver, under this directory, there are 2.1) patches for different the versions of bristuff. patched file called qozap.c file for BRI/200/400/800P. please refer user manual for howto 2.2) OpenVox G400P GSM card driver. please refer user manual for howto