DUAL Talk - Internet Telephony Service Provider
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DUAL Talk - Internet Telephony Service Provider
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Accessing DUAL Talk

This page offers a basic configuration for adding a DUAL Talk trunk group to an Asterisk switch for outbound calling.

  • Calling rates

    We offer three tariff and routing plans:

    - DUAL Talk Gold
    - DUAL Talk Silver
    - DUAL Talk LCR

    You can choose your tariff depending on your traffic profile and whether your priorities lie with low rates or high voice quality.

    See more >>

  • Discount scheme

    We reward higher spending customers with discounts of between 5% and 19% determined by their spending levels.

    More information >>

  • Wholesale rates

    Reseller and wholesale customers with high volume can use our "DUAL Talk LCR" or "DUAL Talk Silver" tariffs and are eligible for discounts of up to 19% depending on volume.

    See more >>

  • DUAL Softswitch

    This calling service and its online control panels are powered by DUAL Softswitch.

    More information >>


An entry in the [General] section is only required if your Asterisk switch is operating from a dynamic public IP address.  Also, you will need to configure your DUAL Talk account to allow registrations from dynamic IP addresses.   You can set this on the Access Methods page of My DUAL Talk.

If your public IP address is static, you should add that IP address to the Access Methods page of My DUAL Talk.

register => [Account number]:[Password]@sip.dualtalk.com

Define the DUAL Talk route:

username=[Account number]

Replace [Account number] with your DUAL Talk account number and replace [Password] with your DUAL Talk password.


Your settings in this file will need to fit in with your existing dial plan.  The following entries will forward all calls starting with "0" to DUAL Talk:

exten => _0.,1,Dial(SIP/${EXTEN}@dualtalk,60)
exten => _0.,2,Hangup()

Further information

Please contact DUAL Talk Customer Service if you need any further information.
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Last modified: 10 May 2011

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