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How patient are your customers? Erlang A may have the answer - Calabrio - ContactCenterWorld.com Blog

How patient are your customers? Erlang A may have the answer

Erlang C has been a WFM firm favorite for decades. Now there is an alternative. Rebecca Philp at Telelopti explains the differences and five advantages of Erlang A.

For many years, contact centers have used the Erlang staffing calculator to forecast how many agents they require to meet agreed service levels. Calculations are based on two mathematical formulae: Erlang C and Erlang A. Paradoxically, Erlang C came first, invented by Danish mathematician A K Erlang in 1917 followed by Erlang A which was devised by Swedish statistician Conny Palm in 1946.

Erlang C is predominantly used for queuing calculations based on call volumes and the number of agents necessary to achieve certain service levels. However, Erlang C assumes that people have infinite patience and while waiting times might appear to decrease, the queues grow infinitely. Erlang A, on the other hand, better reflects the psychological realities of customer patience. It recognizes that every customer has a finite patience span before they become frustrated and simply hang-up. By estimating average patience time or average time to abandon (ATA) to calculate average waiting probability, contact centers have a better chance of creating accurate forecasts and schedules that are relevant in today’s multi-channel world.

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Of course, all contact centers really want is better forecasting accuracy – at least that’s what Teleopti’s customers tell us and whether they apply Erlang C or Erlang A principles, is a matter of choice and largely depends on the individual merits of their own contact center.

For the purposes of this exercise we throw the spotlight on the advantages of Erlang A and how they relate to automated Workforce Management (WFM) solutions.

5 Benefits of Erlang A to Workforce Management
1. Accurate forecasts

Consider the latest WFM solutions as vast vessels of knowledge that capture those all-important average abandon rates now and in the past. Understanding historical data to predict the future helps contact center leaders build proactive rather than reactive schedules.

2. Small changes make a difference

Most contact centers know the total number of calls they receive, the number answered and the number abandoned. Simply key this information into a WFM system using Erlang A to do all the work of calculating average patience times to give accurate schedules for staffing levels. The changes might only be small but can make all the difference between irate customers, abandoned contacts and a smooth customer experience.

3. Do more with less

By taking average patience times into account and then using Erlang A to calculate the number of employees required to meet demand, and maintain service levels, typically fewer resources are needed. This can reduce the temptation to overstaff and therefore reduce costs too.

4. Boost productivity

With better forecasting, more efficient schedules and reduced costs, boost productivity by maximizing idle time. Use WFM technology to schedule offline activities such as administration, training and weekly huddles. Allowing employees to give their full attention to customers during busy periods.

5. Drive intelligence with data

With rising customer expectations of what good service means, abandonment rates are an extremely important indication of how well service levels are achieved. The problem is that most contact centers didn’t have the technology to view them easily or analyze them properly – until now. Fortunately, modern WFM systems promote intelligent resourcing. By tapping into real-time data, contact center managers have the power to predict how many agents they need regardless of channel with a little help from either Erlang C or Erlang A.

At Teleopti, the laws of mathematics are essential to continual improvement and form an intrinsic part of our product development program. We apply both Erlang A and Erlang C principles to enhance and develop a comprehensive range of new technologies that drive efficiencies and performance in today’s contact centers. You simply choose the option that suits your set up best to give you the most benefit.

Speaking of driving efficiency - try out our Teleopti WFM Calculator and find out how you can benefit from investing in a WFM solution

Source: https://www.teleopti.com/blog/how-patient-are-your-customers-erlang-a-may-have-the-answer/

Publish Date: March 25, 2019 5:00 AM


2021 Buyers Guide Headsets

 
1.) 
All Ears Ltd

Freemate headsets, and sanitary solutions for headsets
Freemate headsets available, corded and wireless for telephony and USB. 3 year warranty compatible with all model phones. We supply accessories from downleads, USB leads, ear cushions, leatherettes and we service call centre headsets, these are sanitised and repaired or serviced as required.

We supply the corporate environment, Government departments, security, medical and professional offices and meet the needs of many of New Zealand's SOHO market.

We can even develop and create one-off solutions for those with mobility or disability limitations opening up a world of freedom in communications. And we like to have fun on the journey.

2.) 
Comfort Telecommunications

Smith Corona Headsets
3 year warranty compatible with all model phones. Accessories also available. Cords, earpads, etc all factory direct pricing

3.) 
CTCOMM

Plantronics
Jabra
Sennheiser

4.) 
Headsets123


Since 1998 Headsets123 has been supplying Call Center Grade corded phone headsets, wireless headsets, headset telephones and a wide range of headset accessories to accommodate Medical, Insurance, Financial offices and large Call Centers environments offering you value, comfort, flexibility and increased productivity in your day to day business.

Our offices are located just outside of Seattle, WA. We hope you enjoy our wide range of headsets and accessories.

5.) 
Jabra

Jabra
Jabra is a leader in engineering communications and sound solutions – innovating to empower both consumers and businesses. We are committed to letting people hear more, do more, and be more than they ever thought possible. Through sound and video, we help transform lives. Jabra engineering excellence leads the way, building on 150 years of pioneering work. This allows us to create integrated headsets and communications tools that help professionals work more productively; wireless headphones and earbuds that let consumers better enjoy calls, music, and media; and pioneering video conferencing solutions, enabling seamless collaboration between distributed teams. Jabra employs approx. 1,400 people worldwide

6.) 
JPL Telecom

Based in Dorset, England, JPL designs and manufactures innovative professional telecom headsets. We have a wide range of professional telecom and call centre use headsets in wired, wireless DECT and Bluetooth styles.

Making sure that your customer’s voice can be heard is vital. JPL Telecom ensures that your customer’s experience is first-class. All headsets have our Surround Shield™ noise cancellation to make certain your customer only hears what you want them to hear. Comfortable and attractively designed headsets are built to withstand the constant use in any call centre environment.

Our aim is to continuously improve customer choice, offering a fair price and value to our resellers and end users.

7.) 
Unicom Services Ltd.

Contact center headsets and conference solutions
Unicom Services Ltd. is a distributor of professional headsets and communication solutions for all possible applications.

Products and Services:
* Headsets for contact center, office, small office and home, mobile phones, computer headsets and adapters.

* Conference systems - audio video terminals, personal and group multipoint conferences.

* Telecom Products - office wired and wireless phones, dect systems, softphones.

* Video conference software for contact centers and offices.

* Unified Communication Solution.

8.) 
Xiamen Mairdi Electronic Technology Co., Ltd

Call Center Headsets
Mairdi is a professional call center headsets maker in China. We've designed, produced and exported professional communication headsets for 16 years. Our headsets were exported to over 120 countires in the world.
Our headsets are widely compatible with nearly all IP Phones, desk phones, PC and mobiles. They are all noise cancelling and with built-in hearing protection technology. Our headset accessories are Plantronics or Jabra compatible. All the headsets and accessories are CE,FCC, RoHS certificated.
 



View more from Calabrio

Recent Blog Posts:
Data is everything in the new era of customer serviceMay 20, 2019 5:00 AM
Real-Time Adherence – the art of smarter schedulingMay 8, 2019 5:00 AM
Evolving employee engagement with Workforce Management (WFM)April 30, 2019 5:00 AM
Guest Blog: There’s a brighter future for contact centre agentsApril 12, 2019 5:00 AM
Centralized or de-centralized WFM: 5 ways to strike the perfect balanceApril 8, 2019 5:00 AM
How patient are your customers? Erlang A may have the answerMarch 25, 2019 5:00 AM
Evaluating if the integration between your WFM & CX platform will be a big “Yes”February 25, 2019 5:00 AM
The whole organization is a customer service center – not everyone knows it yet!February 4, 2019 5:00 AM
Resistance to change – the arch nemesis of customer experienceJanuary 22, 2019 5:00 AM
5 steps to supercharge your customer service with contextual intelligenceJanuary 7, 2019 5:00 AM

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