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  1. 3CX V.10 NAT issues: unable to answer call being behind NAT

    Hello, I have a problem with a 3CX setup. - 3CX sits behind static NAT, a dedicated private IP mapped to 3CX server private IP. Most of remote clients (3CX softphone) work ok. - Some remote clients that are behind very nasty NAT (external UDP port doesn't match UDP port of softphone client)...

  2. installing 3CX 10 issue on Windows Server 2003 (SBS)

    I had exactly the same problem installing V.10 on 2003 SE. In my case problem was related to .NET framework. I installed .NET 4 on a clean system and that caused 3CX setup fail at the same point as on your screenshot. I don't remember what exactly I found in install log but that led me to .NET...
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