Adds a set of modem capabilities of a modem connect line.

    add  [node node-id] modem connect line line-id -
          modem options {option[,option...]}

    The modem options are:

    dialout          The modem can dial the remote modem.  Supported
                     only if the value of communications type is
                     switched.  Supported on Tru64 UNIX only.

    direct           The modem is directly connected to the remote
                     modem through a non-switched line.  Supported
                     only if accompanied with dialout and used only
                     when the modem protocol type supports direct
                     dial.  Supported on Tru64 UNIX only.

    rate select      The modem is capable of data rate selection.

    You can issue this command only when the entity is disabled.

    Example:

    add node remnod modem connect line dsb-0-0_callit-zwa-1 -
          modem options {rate select}