Free Erlang traffic calculators

The world's first online Erlang traffic calculators

Telecom Traffic Online
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erlang calculators - free

This site contains online resources to assist the global network professional with telecommunications traffic design and analysis. Whether you design PBX networks or international carrier networks, we hope this site will help you.

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Erlang software

We provide a range of software products to assist in the design and analysis of global voice networks, including Voice over IP support. Prices start at just 39 US Dollars.  Our product range includes basic Windows calculators for performing traffic and VoIP bandwidth calculations; tools to assist in the analysis of call centres and an Erlang add-in for Microsoft Excel (Erlang for Excel) that allows Erlang calculations to be performed within Excel workbooks.
  • Erlang for Excel

    An Add-In for Microsoft Excel that lets you use Erlang B and C functions in your own Excel spreadsheets.

    The ultimate in Erlang traffic modelling flexibility and data sharing.

  • Erlang Calculators

    An easy to use and fast Windows product offering Erlang B, Extended Erlang B, Erlang C and Call Minutes calculators.

    Four products in one, plus Erlang for Excel free.

  • Ansapoint

    Easily estimate the number of agents and trunks required at your call centre.

    Handles 15, 30 or 60 minute analytical intervals and includes reporting and graphing features.

  • VoIP Lite

    Our entry level VoIP calculator allowing you to easily calculate your Voice over IP bandwidth requirements.

    Available for immediate download at only 39 US Dollars.

  • VoIP Select

    Design and use your own VoIP calculators using drag and drop techniques.

    We used this software to design our own VoIP calling service.  Now, we offer it for everyone to use.

  • Westplan

    Simplifies the complicated design process involved in creating effective voice networks.

    Support both traditional circuit switching techniques and Voice over IP.

Free Erlang calculators

Our free Online Erlang Traffic Calculators can be used now to work out the number of lines required in a trunk group, and to assist in call centre analysis. They include tools for Erlang B, Extended Erlang B, Erlang C, Engset and Voice over IP.

Internet Telephony

We offer a range of internet telephony products, providing VoIP services to business, wholesale and consumer customers:

Telecom discussion groups

Share ideas on our four discussion groups covering Telecommunications Design, Voice over IP and Call Center operations. Your article will appear as soon as it is submitted. You can reply to other articles to form threaded newsgroups.

Here are the last three messages posted to our most popular forum.  Click here to join in now.

Author Subject Date Message (part)
Sanjay LU failures 23 May 2013 How IMSI attach succ rate can be increased...
Mer Abis over IP over E1 23 May 2013 HI plz, can you help me to found a formula to calculate the max number of TRX that one E1 can support if we use IP o...
Agha CPU Overload Alarm Huawei UMTS6810 23 May 2013 Hi Anton, It's a major alarms for BSC, its over utilized.now check which boards is greater than 70% than change the sit...

Our customers and what they say about us

We are proud to have satisfied customers from around the globe.  Our customers vary in size from one man consultancy businesses to some of the largest telecommunications carriers in the World.  Find out who they are, and what they think of our products and service.
AT&T British Telecom Cisco Microsoft Corporation United Nations
Intel Corporation AOL Telstra Ford Motor Company IBM
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Last modified: 04 December 2012

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