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Rating Formula
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- Fixed Rate — Use this field or Constant Parameter to define the amount to credit or debit per event occurrence (when the
Quantity Definition is None) or to add an additional amount to the total rate, for example,
rate_per_unit + $1.00 (when the Quantity Definition is based on usage, balance, or field quantities). Any
positive or negative real number is a valid fixed rate.
The fixed part of a rate is not applied multiple times if
a session has multiple usage segments. It is applied only once, during the initial rating of the session, and only when the rating formula selected for
the first segment has a fixed quantity. Note: Either enter a value in Fixed Rate or select a parameter in Constant
Parameter. Using both is not supported. After a value is entered or a parameter is selected, the other option is disabled.
- Constant Parameter — Select a parameter from the menu to use for an intercept (fixed
rate) value, or enter a value in Fixed
Rate. If the parameter you want to use
does not exist already, you can create it dynamically by
clicking New. The parameter, with
its default value, is automatically assigned to the
parent pricing component. For more information about
creating parameters from a rate table, see the
discussion about creating a rate table parameter.
- Variable Rate — Use this field or Slope Parameter to define the amount to credit or debit a balance per scaled
Usage Quantity, Balance Quantity, Meter Quantity, or Field
Value, as defined in the Quantity Definition list. Enter a numeric value, or select a parameter from the list of
parameters attached to the price component.
For example, a rate table can be set up to charge based on a usage quantity:
- .05 per every 1 minute.
- 2 per every 1 byte.
The scaled amount (.05 and 2), is used with the balance impact unit specified for the rate table. For example, say a voice charge based on usage
quantity charges .05 per 1 minute. If the balance specified in the rate table definition is a data balance and the balance unit is bytes, ".05 per 1
minute" means "charge .05 bytes for every 1 minute used." Variable rates are not an option when:
- The Quantity Definition is None.
- The pricing component is a recurring price component.
Note: Either enter a value in Variable Rate or select a parameter in Slope Parameter. Using both
is not supported. After a value is entered or a parameter is selected, the other option is disabled.
- Slope Parameter — Select a parameter from the menu to use as a variable rate value. If
the parameter you want to use does not exist already,
you can create it dynamically by clicking
New. The parameter, with its
default value, is automatically assigned to the parent
pricing component. For more information about creating
parameters from a rate table, see the discussion about
creating a rate table parameter.
- Unit Multiplier — Use this field or Unit Multiplier Parameter to specify a multiplier.
Note: Either enter a value in Unit Multiplier or
select a parameter in Unit Multiplier Parameter. Using both is not supported. After a value is entered or a parameter is
selected, the other option is disabled.
- Unit Multiplier Parameter — Select a parameter from the menu to use as a unit
multiplier value. If the parameter you want to use does
not exist already, you can create it dynamically by
clicking New. The parameter, with
its default value, is automatically assigned to the
parent pricing component. For more information about
creating parameters from a rate table, see the
discussion about creating a rate table parameter.
- Units — If the Quantity
Definition is Usage
Quantity, use this field to define
measurement unit for the service usage. For example, the
unit might be megabytes or kilobytes. For voice service,
the unit might be seconds or minutes. The units
available are dependent on the price component's
Quantity Selector value. For
example, if measuring active duration,
seconds is a valid
Units values, but
bytes and
mbytes are not.
- Unit Quantity — If the Quantity
Definition is Usage
Quantity, use this field to define the
number of units to which each rate applies. For example,
you can charge an amount per every 1 minute, 2 minutes,
3 bytes, or 4 bytes. Any positive real number is a valid
quantity.
Note: The amount of any discount must be positive
or zero. Usually, fixed and variable rates for discounts should be entered as a positive
value so that the discount is a positive amount. However, the value of a prepaid balance
or an MATRIXX Data Container (MDC) field on which rating is based may be negative.
In this case, the variable rate for the discount should be entered as a negative value
so that the amount of the resulting discount is positive or zero.
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Skip
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Skips to the next rate table when the selected normalizer
parameter value combinations are not pertinent to your pricing.
You can also omit these combinations from the rate table rather
than define rows for them. The compiled pricing plan handles
both cases the same way. |
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Deny
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Returns the associated error code instead of rating the event because the parameter
value combinations are invalid. You can define an error code and
text description for the denial. For example, you might return
an error if a subscriber tries to use a service during a
restricted time. The code might be 100 and the text "Usage not
allowed after 10 PM." |
