## Description of the events to be signaled by the HL-driver to the LL.

All status-changes are signaled via calling the previously described function statcallb(). The field command of the struct isdn_cmd has to be set by the HL-driver with the appropriate Status-Id (event-number). The field arg has to be set to the channel-number (locally to the driver, starting with 0) to which this event applies. (Exception: STAVAIL-event)

### Until now, the following Status-Ids are defined:

      ISDN_STAT_STAVAIL
      ISDN_STAT_ICALL
      ISDN_STAT_RUN
      ISDN_STAT_STOP
      ISDN_STAT_DCONN
      ISDN_STAT_BCONN
      ISDN_STAT_DHUP
      ISDN_STAT_BHUP
      ISDN_STAT_CINF
      ISDN_STAT_LOAD (currently unused)
      ISDN_STAT_UNLOAD
      ISDN_STAT_BSENT
      ISDN_STAT_NODCH
      ISDN_STAT_ADDCH (currently unused)
      ISDN_STAT_CAUSE

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