I have DAHDI 2.2.1 my system.conf file is : span=1,0,0,esf,b8zs bchan=1-23 dchan=24 echocanceller=mg2,1-23 loadzone = us defaultzone = us Its telling me: Running dahdi_cfg: DAHDI_SPANCONFIG failed on span 1: Invalid argument (22) [FAILED] What am I missing. Its straight PRI NI2.