To run dahdi_cfg:
Login to PBXware using SSH protocol
Navigate to the 'pbxware' directory
cd /opt/pbxware/
Execute:
sh/dahdi_cfg
Options availabe with dahdi_cfg are:
 -c \<filename>     -- Use \<filename> instead of /etc/dahdi/system.conf
 -d [level]               -- Generate debugging output. (Default level is 1.)
 -f                            -- Always reconfigure every channel
 -h                          -- Generate this help statement
 -s                          -- Shutdown spans only
 -t                           -- Test mode only, do not apply
 -v                          -- Verbose (more -v's means more verbose)