About this Wiki

DebugTapisrvAddIn is an Add-In for Visual Studio 2005 and Visual Studio 2008 that lets you easily debug the Windows Telephony Service (TAPISRV).

Many TAPI Samples were removed from recent Platform SDK versions. As long as no one from Microsoft complains we will host these samples here

One of the most often things asked here is the support for full-duplex operation in combination with voice modems drviven by the Unimodem TSP. This articles contains new and definite information about full-duplex support with Unimodem.