1.1.4: NAT Helper "blocks" connection to pbxes.org

Discussion in 'iOS' started by Jochem_PS, Nov 15, 2011.

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  1. Jochem_PS

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    Dear all,

    I am using 3CXPhone for iPhone (iPhone 4) and in parallel for Android (Samsung Galaxy S Gio) since September 2011. After upgrading to version 1.1.4 for iPhone (as well as to newest version for Android) the "NAT Helper" blocks outbound calls through my web phone box.

    When NAT Helper is activated no connection to my virtual phone box "pbxes.org" is possible anymore (previous version worked properly). Turning off NAT Helper it works fine.

    Same with newest 3CXPhone for Android version.

    Best regards,
    Jochem
     
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  2. StefanW

    StefanW Head of Customer Support and Training
    Staff Member 3CX Support

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    Hey,

    the NAT Helper is just a helper if you have distorted networks or not clean nat.
    If you are sure your NAT Settings are set up for SIP and RTP you can turn it off and dont loses any functionality.
    A nat Helper can caus issues when the firewall may filter with SIP ALG connection, therefor we leave it up to you if you like to use it or not...
     
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