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I have implemented callTo protocol to call a dialer and vbs script from web page within the intranet. I have deployed the registry to all machines in network via group policy and his all works fine. how ever on a new machine I get the dialog box "Launch Application".

What can I do to set this via group policy

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I found that I had to include the following in the registry for ie

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\ProtocolExecute\callto]

Not sure about firefox as of yet

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