Default: [0..0]       Value: Range (see the following
                                        description)

    Minimum acceptable throughput class (the lower bound of the
    range) and the target throughput class (the upper bound of the
    range) for a call. The only legal range values are as follows:

    0              2400
    75             4800
    150            9600
    300            19200
    600            48000
    1200

    The range 0-0 indicates that no throughput class is
    included in the outgoing call.

    Example:

    set x25 access template TEMPLATE-0 -
        throughput class request [0..0]