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  • #: 227996
  • Price: $0.99 In Apple Store
  • Category: Utilities
  • Updated: 2011-03-04
  • Current Version: 1.0.
  • 1.0.
  • Size: 4.90 MB
  • Language: English
  • Seller: Atomic Flavor S.L.
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 4.2 or later.
  • © Atomic Flavor S.L.
  •  Add to Favorite apps



This application will help you to estimate the numbers of lines required for PSTN connections (Erlang B) or the number of agents you need in a call centre during an hour.

Erlang B:


This model is used by telephone system designers. It estimates the number of lines required for PSTN connections or private WIRE connections.

· Busy Hour Traffic: Number of hours of call traffic during the busiest hour of operation.

· Blocking: Percentage representing the number of calls that fail due to an insufficient number of avaiable lines.

· Lines: Number of lines.

Erlang C:


This model is used to calculate the number of agents you need in a call centre during an hour.

. Calls per hour: Number of call during that hour.

· Call duration: Average call duration.

· Average Delay: Average delay you will tolerate in answering all your calls.

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The information may be outdated (2011-04-29 05:04:09). For actual information go to iTunes

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