When I installed Lync on my Windows 7 Laptop the Tapi dialing feature didn’t work anymore.
After some research I found a forum presenting the Solution.
As so often it is only a question of adding a registry Key Winking smile

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HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Outlook\Call Integration needs a DWORD called TAPIOVERRIDE with Value = 1

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Outlook\Call Integration]
"TAPIOVERRIDE"=dword:00000001

And off you go – after a short restart you can again Dial via TAPI from Outlook 2010!

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