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ErlBBlocking()

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This function estimates what blocking will be experienced with a given busy hour traffic figure and number of lines

 

 

Format

 

=ErlBBlocking (Traffic,Lines)

 

 

Result

 

A real number between 0 and 1, where 0 means no blocking and 1 means full blocking.

 

 

Arguments

 

Name

Description

Units

Limits

Traffic

The busy hour traffic

Erlangs

Between 0 and 90,000

Lines

The number of lines in a trunk group

(Unitless)

Between 1 and 90,000

 

 

Example

 

To estimate how the blocking experienced when 1500 Erlangs of traffic is offered to 1000 lines, enter:

 

=ErlBBlocking(1500,1000)

 

The answer should be 0.335, meaning that 33.5% of offered calls can be expected to be blocked.