Chapter 11. Telephone API (TAPI) and Remote Access Services (RAS)
The Telephone API (TAPI) and Remote Access Service (RAS) are both used to make, maintain, and terminate calls made through modems and other telephonic devices. RAS is used when making calls to a Windows NT or 2000 server where a login to a server with authentication takes place, or to an Internet Services Provider (ISP) with automatic login. In both situations, a protocol like PPP (Point to Point Protocol) is then used to allow TCP/IP connections to be made through a serial connection.
TAPI is used to make telephone calls, but once the call is made, the program can then decide how the connection is to be used. For example, it may hand over the call to the user for an ordinary ...
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