f2e6*CLI> module reload chan_dahdi.so
    -- Reloading module 'chan_dahdi.so' (DAHDI Telephony Driver w/PRI)

f2e6*CLI> dahdi show channels
   Chan Extension  Context         Language   MOH Interpret        Blocked    State
 pseudo            default                    default                         In Service

f2e6*CLI> dahdi show channel 1
Unable to find given channel 1
Command 'dahdi show channel 1' failed.