>I have a project need to replication those data from different location to the headquater office ( sales amount and inventory information )
>
>I want to use MSDE in every site and use MSSQL 7.0 in the headquater office.
>
>is there any tools for Visual Foxpro to call the computer to dial up to the internet? and then how to make those site to replication the data to the headquater ?
>
>I only know that in LAN is workable but I don't know how to do it thought internet.
>DO I need to form a VPN in order I can work it thought internet ?

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You could try it using Virtual Private Network (VPN)
Then you have a LAN over the web