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A complete Voice over IP switching and online billing solution, hosted on our servers and controlled by you.

  • 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

H.323 and SIP hosted softswitch

We offer a complete Voice over IP switching and billing solution.    DUAL Softswitch enables you to provide a comprehensive VoIP calling service using SIP and H.323, by providing robust call switching capabilities to your carriers’ facilities, with real-time call failure overflow.  DUAL Softswitch can be the back-end switching and billing system for your wholesale termination, call shop service or consumer VoIP offering.

Comprehensive billing is presented to your customers using online control panels, and a further control panels offers a flexible call shop billing system.

VoIP softswitch features

DUAL Softswitch will work hard behind the scenes to make your VoIP service as reliable and accessible as possible.  Initial call switching is based on Least Cost Routing, with failed calls being overflowed to multiple carriers in real time.

You can concentrate on building your VoIP business, while DUAL Softswitch automatically optimises your switching and billing facilities by managing your Least Cost Routing; implementing tariffs and even generating Excel rate sheets for your customers.  Your customers will benefit from an online CDR control panel and a powerful Call Shop Billing System.

H323 and SIP softswitch architecture

Getting started

You can have a complete H.323 and SIP softswitch running in a few hours.    Signup for a hosted softswitch now.
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Last modified: 07 June 2011

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