vTAPI 2.0 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The following version: 2.0 is the most frequently downloaded one by the program users. This program was originally created by C4B Com For Business AG. The software is categorized as Communication Tools.
From the developer:
The integration of telephony and computer technology is the essential need of almost every company. With VTapi ActiveX Control you get everything you need for quality communications using Microsoft Visual Basic, Visual C , or any other environment capable of hosting ActiveX components. Detect Caller ID (name and number) on incoming calls
You may want to check out more software, such as South Park Theme Pack for Messenger, Mnemic Emoticon Packs for Messenger or TapiRex Plugin: Solutio Charly, which might be related to vTAPI.