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Dial Plan - Outbound calls to 2 gateways

Discussion in '3CX Phone System - General' started by Serey, May 5, 2007.

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  1. Serey

    May 5, 2007
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    Hi all,

    I have configured one analog-PSTN-Voip Gateway and one VoIP provider. I would like that :

    - By default all outbound calls go trough the analog-PSTN Gateway
    - If the PSTN line is busy, a second outbound call goes trough the VoIP gateway.

    Is it possible to change the dial plan behavior when the IP PBX detects a busy line ?


  2. Anonymous

    Anonymous Guest

    To answer this question you have to understand what a dial plan does, it is build up out of possible 5 :

    Endpoint addressing
    Path selection
    Calling privileges
    Digit manipulation
    Call coverage

    These components are addressed when the caller dials the digits.

    What you want is call fail over, i am not aware that 3cx deals with this. It uses the gateway it is told to use based upon the dailout rule.

    I see a feature request comming up here and that is:
    use the next available gateway when dialing out (or incomming) should be configurable.

    Back to your question.

    The closes you can get to that now is to have a dial out rule per gateway, so that when the caller gets an engage signal they can use the other gateway by using a different prefix.

    At this point in time I do not believe that this is done by 3cx, the SPA3102 has a fail over feature that can be used but that is on ata level and outside the control of 3cx.
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