Free Erlang traffic calculators

The world's first online Erlang traffic calculators

Telecom Traffic Online
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A-Z termination using H.323 and SIP
A-Z termination
  • 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 >>

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Last modified: 23 May 2011

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