Free Erlang traffic calculators

The world's first online Erlang traffic calculators
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VoIP Lite

Please confirm your purchase.   We offer two Voice over IP calculators with varying levels of features.

  • VoIP softswitch

    DUAL Softswitch is a complete Voice over IP switching and billing solution.  Flat monthly rate.

    Web control panels; Least Cost Routing; Excel tariff uploads; SIP and H323 support.

    H323 SIP softswitch >>

  • VoIP calling

    Specifically designed for easy, low cost SIP calls from Nokia mobile phones.

    Cheap SIP calls from Nokia phones

    Asha Talk >>

    SIP Trunks with routing designed specifically for corporate customers.  Supports IP-PBXs such as Asterisk.

    Erlang VoIP >>

    Very low SIP rates for wholesale and retail VoIP calling, but with a low minimum payment and 1/1 billing for all customers.  Suitable for call shops.

    Galaxy SIP >>

    VoIP services for call shops, businesses and home users.   Powerful reseller control panel.

    Choose from three tariffs, depending on your pricing / quality priorities.

    DUAL Talk >>

    Our lowest rates for wholesale carriers with their own VoIP switch.

    44Mobile >>

    Our new service designed specifically for Call Shop SIP termination.

    Call shop VoIP >>

    UK direct route with CLI.

    44Direct >>
Recommended software

Please confirm your selection
We offer two Voice over IP Bandwidth Calculators with varying levels of features.  You chose VoIP Lite.  Please confirm your selection below:

 
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VoIP Lite

VoIP Select
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VoIP Lite is a basic VoIP Bandwidth calculator.  It is low priced, fast and accurate.

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tick.gif (482 bytes) Erlangs and IP Bandwidth Calculator

 VoIP Select offers the following advanced features:

tick.gif (482 bytes) Layer 2 overhead (ATM, Ethernet, PPP)
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tick.gif (482 bytes) Full justification notes
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tick.gif (482 bytes) Design custom calculators
tick.gif (482 bytes) Ext. Erlang B and Engset models
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Click here to purchase
VoIP Lite
(Single user - $39)		 Click here to purchase
VoIP Select
(Single user - $135)
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Last modified: 07 June 2011

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