Using TAPI

I want to use TAPI to make calls.   I have successfully used tapiRequestMakeCall in the TAPI32.DLL to make calls, which seems to use dialer.exe.  However, I would like more control over the call.   I don't want the dialer window, I want to be able to hang up, I want to be able to detect when the called has picked up the phone.   So, what "level" or TAPI library do I need?  What's in TAPI32.DLL verses TAPI3.dll?  

I want to use .NET code.
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darbid73Connect With a Mentor Commented:
I have not tested this but have a look at this project
HLRosenbergerAuthor Commented:
Yes, using Tapi3 is the answer for me.
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