## Description of the commands, a HL-driver has to support

All commands will be performed by calling the function command() described above from within the LL. The field command of the struct-parameter will contain the desired command, the field driver always is set to the appropriate driver-Id.

### Until now, the following commands are defined:

    ***CHANGED1.34: The parameter "num" has been replaced by a union "para" containing
                    the old "num" and a new setup_type struct used for ISDN_CMD_DIAL
                    and ISDN_STAT_ICALL callback.

       ISDN_CMD_IOCTL
       ISDN_CMD_DIAL
       ISDN_CMD_ACCEPTD
       ISDN_CMD_ACCEPTB
       ISDN_CMD_HANGUP
       ISDN_CMD_CLREAZ
       ISDN_CMD_SETEAZ
       ISDN_CMD_GETEAZ (currently unused)
       ISDN_CMD_SETSIL (currently unused)
       ISDN_CMD_GETSIL (currently unused)
       ISDN_CMD_SETL2
       ISDN_CMD_GETL2 (currently unused)
       ISDN_CMD_SETL3
       ISDN_CMD_GETL3 (currently unused)
       ISDN_CMD_LOCK
       ISDN_CMD_UNLOCK

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