[MSDN Library June 1998] TAPI Reference (37.9814241486068%)

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 Structures (33.2151702786378%)

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

[MSDN Library June 1998] TAPI Client Management (32.7780748663102%)

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 Messages (30.5835913312694%)

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

[MSDN Library June 1998] TAPI Device Classes (30.5835913312694%)

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