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I am looking for a simple voip lib (.net or .net frendly) to make calls using h323 with gatekeeper (I have hardware gatekeeper). My app must call a phone number and play an audio file when the user answers. I found a few libs but they are too big and costly.

CSharpened
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user1199337
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1 Answers1

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There are only very H.323 libraries available and to my knowledge none of them supports C# directly.

The only 2 OpenSource libaries for H.323 are H323Plus and OPAL. Both are C++. OPAL also has a limited C API, but in my view H323Plus is the better H.323 library.

Commercially there is H.323 stack from Radvision, but as far as I know it also only supports C / C++.

All of these libraries can easily register and make calls with a gatekeeper.

Gene Vincent
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