
Using reports for ACD planning
106 BCMS Operations
Engineering ACD applications with report data
When engineering and/or optimizing an ACD, use the Average service time engineering
tables on page 112 and ACD trunk engineering table on page 137 to determine how many
agents and trunks will be required to handle a given number of incoming calls. Each split
should be designed individually for the number of agents and trunks required, subject to
any pertinent system limitations. You should anticipate any planned future growth, but do
not exceed the maximum values of the ACD parameters supported by the BCMS feature.
This section includes the following topics:
● About interpolation on page 106
● Agent engineering/optimizing guidelines on page 107
● Average service time engineering tables on page 112
● Trunk Engineering Guidelines on page 135
About interpolation
Interpolation is a method of estimating tabular values of a function between two known
values of that function. When determining the number of agents required and the number
of trunks required for a given ACD, you may find that the expected number of call arrivals
or the carried load lies somewhere between two entries in the tables. Therefore, the
number of agents or trunks required will also lie somewhere between the two entries.
If this is the case, the number of agents required or number of trunks needed can be found
by interpolation. Use the following equation to interpolate between tabular values:
where:
x Is the independent variable calls per hour
y Is the dependent or functional variable agents or trunks
needed
x
0
Is the tabular value of the independent variable that
immediately precedes x
= y
0
+ (y
1
− y
0
)
x
1
− x
0
−
0
_ _______
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