[MSDN Library June 1998] Call Control (26.4178281068525%)

MSDN Library Visual Studio 6.0 > Specifications > Platforms > Telephony Application Programming Interface (TAPI) > Chapter 3 > Concepts

[MSDN Library June 1998] Call Operations (25.7999419279907%)

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

[MSDN Library June 1998] Call Control (25.6373403019744%)

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

[MSDN Library June 1998] Call Drop (25.6187370013235%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TSPI Version 2.1 > Overviews > Line Devices > Storing Numbers in Electronic Address Books > Calls

[MSDN Library June 1998] Call Control (25.0275842044135%)

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

[MSDN Library September 1992] Call to @Mkthread Macro Results in Phase Error (13.2568297732667%)

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