Scheduling and Capacity Planning in Call Center. In Excel, you can simply grab your two numbers an put them in a cell. How to Calculate Contact Centre Shrinkage, Excel Erlang Calculator (Handy spreadsheet format), spreadsheet that explains the Erlang C Formula you can download it here, Contact Centre Reports, Surveys and White Papers, An Introduction to Contact Centre Analytics. I think what you are describing is a headcount model. What is the work around for it or is there any other similar excel sheets available. What is the definition for this? ErlangXL95.xla Does a constant Radon-Nikodym derivative imply the measures are multiples of each other? however the content remains the copyright of the author. There are two main formats of it. Is it necessary to change the data on the Calcs? Here is the link to our multi-channel calculator: https://www.callcentretools.com/tools/multi-channel-calculator/, In the meanwhile the best bet is to produce a weighted average handling time for both your call and staffing levels and then plug them into our Online Erlang Calculator or into the Excel Based Erlang Calculator, [We have now written a comprehensive guide to calculating Staffing numbers . This is below the target of 80% so we need to increase the number of agents. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I would like to count by username and then report back when each session starts, how many other different concurrnent users have a session open at the same time. Does it? On the worksheet, click the cell in which you want to enter the formula. Do spelling changes count as translations for citations when using different English dialects? 3. Say for example you have an allowance of 13.334% for annual leave and an expectation of 3.333% sickness. Is Logistic Regression a classification or prediction model? Call center capacity planning is about best aligning your call center resources (agents) to the level of work you anticipate coming in at a given time, all while best utilizing agents time and optimizing customer satisfaction. I would post a screenshot, The forecasting template has been designed to work with call volumes, but could easily be adapted for other types of monthly forecast. We are working on an online version that should be able to take weekly inputs. or Click here to try our online forecasting tool. So is there any response about the macro error? .but for row 10 the data array becomes this: {FALSE;FALSE;FALSE;FALSE;FALSE;FALSE;FALSE;FALSE;9;9;FALSE;9;FALSE;FALSE;FALSE}. Frozen core Stability Calculations in G09? It should work with the latest version of Excel. If you want to do manpower calculation in bpo the best option is to use an Erlang Calculator. That is simply. Hi Angela. Where does the Factors data come from? Click here to download the Forecasting template. To compute the number of employees working each day, copy the formula =SUMPRODUCT ($A$5:$A$11,C5:C11) from C12 to D12:I12. This explains a little about how the calculations are performed and has the instructions for installing the Add-ins and using the tool. Its best to Copy and Paste Special (Paste as Values) to be absolutely sure that you dont inadvertently copy over any formulas from elsewhere. If there is a type of request or question that agents find themselves having to repeatedly answer, with little to no variation in their response, explore automation. Traffic Intensity A = 10 Excel to count number of concurrent sessions based on start/end times, Using Excel to count number of concurrent sessions based on start/end times and PC Name, How Bloombergs engineers built a culture of knowledge sharing, Making computer science more humane at Carnegie Mellon (ep. How AlphaDev improved sorting algorithms? We have Excel 2007 installed not 2010 . The Top Scheduling Challenges and How to Fix Them, See How Professional Headsets Improve Business Performance, White Paper: 2023 Contact Center Buyer's Guide, Creating Competitive Advantage Through Customer Payment Capabilities webinar, Unveiling the Power of injixo Workforce Management: A 30-Minute Tour Webinar, Real-Time Management vs Intraday Management, Retail Customer Service Trends You Need to Know, Genesys Recognized as No. . For example (and Im going to use 10% just to keep this simpler) if an agent is paid for 260 days a year, you would factor in Holiday, taking them down to 234 working days, and then factor Sickness as 10% meaning 23.4 days, ending with 210.6 days. Email is the most used customer service channel. and hence a waste of bandwidth. Have a read of our FAQs- Call Forecasting with Spreadsheets article, for the answers to 17 common questions with forecasting with spreadsheets. Erlang97.zip (93KB) The call arrival rate, noted is known. You need to have the add-in packs in Excel enabled. (for the example dataset). you won't have the capacity to answer calls in a reasonable amount of time, and abandonment rates will skyrocket. By doing the bulk of the work for them, all agents need to do is double-check the drafted response before sending, and move on to the next request. Please note, this is a spreadsheet based in Microsoft Excel. The easiest way is to use the online Erlang calculator available on the Call Centre Helper website. You need to work our how many calls you could expect per hour. This long term capacity plan allows you to easily compile your weekly forecasted call volumes, AHTs, and shrinkage numbers to create a visual plan of when you need to hire and when you can plan extra off the phone activities. Trunks - the number of telephone trunks required for a given call load. Before we start, we need a number of inputs. A level a baseline for your values once the other components have been removed. Editor's Note: This article was originally published on astutesolutions.com. So, we start with adding 1 to the traffic intensity. The quick video demo was helpful and we were able to launch with basic setup input. According to Forrester,54% of consumersused this channel for support in 2018. The above data can be shown graphically as: As you can see at the end of the example (and the bottom of the chart), If you have 20 hours of calls you will probably have to schedule 25 hours of time, but without Erlang (or a similar alternative) you wont really know. = 11 Factorial = 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 39916800. Type the = (equal sign) followed by the constants and operators (up to 8192 characters) that you want to use in the calculation. ErlangExample97.xls The details are on the contact us page. You can probably get this data from the call volume reports on the Call centre system. Is the data all in reverse chronological sequence? Average Speed to Answer (ASA) - the average time N! Many turn to the Erlang C formula to answer this question (heres an excellent example of theErlang C formula in action). Repetitive work (not being challenged enough) and stress in a high-pressure environment (being overworked). If, not what needs to be changed to make it so? This version allows you to set a Maximum Occupancy figure. What's the meaning (qualifications) of "machine" in GPL's "machine-readable source code"? Choose the content that you want to receive. But how exactly do you use it, and what are the pros and cons? Hi, please help in making me understand the formula of Forecast and Call Taking capacity in EXCEL.. Limit common, repetitive support requests from reaching agents. We also have a more flexible Microsoft Excel based version of this calculator. So the traffic intensity = 10 Call Hours = 10 Erlangs. The Erlang C formula is the most important part of the equation. Drag the " fill handle " down to fill all the cells. the suitability of them for any task and will not be held liable for Our Email Virtual Assistant (EVA)does the heavy lifting for agents, processing, and coding every incoming support request. I resolved it on excel 2016 by going into options and enabling the analysis tool pack and solver add ins and the analysis tool pack vba and solver add ins. That is of course not possible, but that is where the calculation starts from. How to handle compile error. Hi need help. The Erlang C formula is the most important part of the equation. 1300 360 553 | NZ +64 9558 2147 | US +1 (415) 200 3752 | UK +44 115 824 5548 . Not really good with capacity planning. Slack = (100 % - 75 %) Slack = 25 % Super User is a question and answer site for computer enthusiasts and power users. I currently have a formula, shown below, that calculates HC based on call volume, aht, for 1 hour/ftehrsinamonth and shrinkage: =(Volume*AHT)/3600/(MonthlyFTEHrs*Shrinkage). I am not very clear on the efficiency, could you elaborate? For the sake of completeness, I have included the calculations below. Queued - the percentage of calls which will be queued. Get the latest exciting call centre reports, specialist whitepapers and interesting case-studies. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. There are two ways to calculate the number of agents you need. It can also help limit any negative impact on customer retention and reputation management purposes. According to Call Centre Helper Shrinkage is a measurement of anything that takes an agent away from their ability to take customer contacts. or Click here to download the Forecasting template. I know there are few Add in in Excel and also Workforce Management Applications that are used to achieve this. When I click the calculate button, I get an pop up window that states If concurrent sessions for the same user counts as 1, counting by user will produce all 1's, unless you're just talking about consolidating the data in preparation for analysis. So you're trying to count concurrent sessions by different users? Your best approach would be to use the Call Centre Helper Erlang Calculator. So, you take your historical abandon % at various historical Occupancy levels. How many hours does it take to get the backlog of e-mails to the level of 1000 e-mails? Case in point, according to Pindrop,contact center call volumes jumped 600%in some instances in late March/early April 2020 as COVID-19 cases were increasing. This would actually translate as a practice where you are allowing agents to be logged as both sick and on holiday simultaneously, as the sickness calculation is reducing the total amount of resource you are loosing for other areas of shrinkage. You raise a fair point in that the actual calculations would differ from centre to centre, but this can at best only be an estimate. Here is the capacity utilization rate formula: - Table of contents What is the Capacity Utilization Rate? We know that we have 10 Erlangs (10 calls hours of traffic per hour). Hi,I can not did the forecast,the respon was compact file error cant find project or library, unable to get forecast due to error on macro, dont know how to fix it. Version 6.0 of the Call Centre Helper Erlang Calculator Click here to download the latest version. What is the Minimum Number of Staff Required for a 24/7 Call Centre? Should Customer Service Leaders Fear ChatGPT? Published On: 18th Mar 2015 - Last modified: 18th Feb 2020 Read more about - Essential Call Centre Tools, Downloads, Excel, Forecasting, Staffing, Workforce Management (WFM), Seems to come up with a Compile Error, Tried leaving it with the dummy data and also tried keying my own data. and the UserID does not equal the UserID for this row. . Know how many agents you need to hire, and when you need to hire them. To work out the traffic intensity, take the call minutes and divide by 60 to get the number of call hours. FOR ANYONE STILL COMING HERE IN 2021+ AFTER A CONCURRENT CALL GOOGLE SEARCH: I used this but it gave me the same results as =COUNTIFS($B$2:$B$10000,"<="&C2,$C$2:$C$10000,">="&B2)-1 This just shows me overlapping calls, not concurrent. Hopefully there is a strong inverse correlation between the two so you can predict one by knowing the other. Get the insight into Excel absolute and relative cell references, and find out why use the dollar sign ($) in an Excel formula. I believe I did a regression analysis to see the inverse correlation between Occupancy and Abandons (did the same with SLs and ASAs and such as well). Apply the following formula- =SUM (C5:N5) Press Enter. Overview of formulas in Excel Get started on how to create formulas and use built-in functions to perform calculations and solve problems. Formulas calculate values in a specific order. How Is Shrinkage Calculated? Plan ahead to help avoid poor performance due to under- or over-scheduling of agents. So, if N = 11 , N 1 = 10 and we loop through from i= 0 until i = 10, as shown below. Cause when I choose weekly or monthly and add a distribution of calls for Saturday and Sunday, the Typical FTE stats are different compared to 24 hours. It will vary slightly depending on the actual working days, but given that you would never change your headcount month by month, then the figure is accurate enough. You probably need to put this into a spreadsheet as it tends to peak towards 11.00 15.00 and is lower at other times. I have solver installed but errors on MAXTIMENOIMP, Solutions anyone? How come it outputs a different forecast every time i run it with the same historical data ?I ran it 5 times and I got ( although very close) different data. Average call time per month: AVERAGEIFS EDATE FILTER AVERAGE TEXT: Average hourly pay per day: SUMPRODUCT . Thanks Barry - great explanation and was exactly what I was looking for. Simultaneously, it can help ensure your agents time is less spent on administrative tasks and more on optimizing the customers support experience. If you have an agent answering or taking calls in a call centre. with the start or end time of a session belonging to a different user, Then you must assume that the agent is on the telephone 100% of the time. Last thing, our help desk functions 11.5 hours/ 6 days a week whereas staff working hours/days is 8/5 days a week only! N! See how Emplifi can help your call center with AI-driven tools. We have also included a worked example in Excelto help you follow the maths. Paid Hours If this issue hasn't come up yet, it will. Considering thatover 90% of consumerssay an agents perceived happiness affects their customer experience, this can be a significant issue if not addressed. 2020-2023 Emplifi Inc. All rights reserved. shows that Excel is overloaded and can give you erroneous answers. (This is easy to see if you think about it; easier if you draw it.). I was VERY interested in using your forecasting template alas, we have Excel 2010 installed, and the Solver seems to be incompatible with your macro. https://www.callcentretools.com/tools/erlang-calculator/. Erlang, who developed the Erlang C formula 100 years ago in 1917. . Hi need help. The number of agents, noted m is known. Service level agreements (SLAs), waiting time standards, average handle times, call center shrinkage, and budget restrictions. If a polymorphed player gets mummy rot, does it persist when they leave their polymorphed form? This capacity planning formula aims to calculate the number of agents you require at a given time to meet your desired service level. Download the Ultimate Guide to Forecasting. So what is the actual head do I need to hire if lets say I need 50 agents per day and each of one of them has a 2 day off work. Your actual shift patterns shouldnt affect your headcount requirement too much. I am preparing an analysis study on call centre performance. user CT has multiple sessions going at one time. You can replace the values by simply overwriting them or copying and pasting data from another spreadsheet, as long as it is the same format of date in the first column (dd/mm/yyyy) and value in the second column. Description Calls a procedure in a dynamic link library or code resource. Question asked by Sanjay and Microsoft Excel 7 (95) which allow you to use standard Erlang-C I would recommend the scheduler for those in need. I tried with this but im not getting the answer properly. Those connections would count as only one license. I read all your comments and help please to know how many agents I need per hour. In this post, we look at how automation can help support call centers and provide managers with more peace of mind when capacity planning. These are external links which the Foundation has no control or influence on. The tough spot that I'm running into is that one user could have multiple sessions going on at one time. ErlangXL97Source.xls, Erlang95.zip (44KB) Sometimes if the original data is not regular or well defined then it can take longer to reach a solution as there can still be large differences in the new values that Solver has found and there are constraints on how many gos it has so youre not sat waiting forever!