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MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 2.1

[MSDN Library June 1998] TAPI Reference (55.0457875457876%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 2.1

[MSDN Library June 1998] TAPI Version 3.0 General Description (39.5848595848596%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 3.0 > About TAPI Version 3.0

[MSDN Library June 1998] TAPI Version 1.2 and Earlier (30.1136363636364%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 2.1 > Using the TAPI 2.1 Programmer's Reference > TAPI Versions

[MSDN Library June 1998] TAPI Version 3.0 Requirements (28.4737484737485%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 3.0 > About TAPI Version 3.0