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CCXLService

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  • #77995 Reply
    Sam Peasley
    Guest

    for Service level I am wondering how it is getting the percentage. If I have 21 agents and 57 calls at 1110 duration. with the target 180 ASA it says 80.7%. What is the process in getting that number. Without revealing the formula what is the basics of how it gets that number?

    #78012 Reply
    Tom Howard
    Keymaster

    Hi again Sam,

    The calculations is based on Erlang C , a long-established statistical model for analysing systems involving queuing. The algorithms are not our own and a quick google search will turn them up. They make some simple assumptions about the traffic, details of which can be found at the CC-Excel FAQ.

    Calculations are traditionally done the other way round. In other words “how many agents do I need if I want 80% of calls answered within a specified time. We reversed the process for the CCXLService() functions. We have a Windows calculator called Westbay Traffic Calculators that includes Erlang C calculations. Out of interest, I ran your numbers through it to confirm the results matched those from CC-Excel. I also changed the target time to twenty seconds to see the effect, which was to increase the estimated agents required from 21 to 23. Here are some screenshots:

    Westbay Traffic Calculators - Erlang C

    Westbay Traffic Calculators - Erlang C

    All the best,
    Tom H.

    #78019 Reply
    Sam Peasley
    Guest

    Thank you for the information.

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