[MSDN Library June 1998] Telephony Overview (44.6738984529682%)

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

[MSDN Library June 1998] Telephony Services (44.1189301654418%)

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

[MSDN Library June 1998] Telephony Components (31.3898956340817%)

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

[MSDN Library June 1998] Telephony API (24.924074633377%)

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] Telephony Application Programming Interface (23.3053122588006%)

MSDN Library Visual Studio 6.0 > Platform SDK > Windows Programming Guidelines > Windows CE Programmer's Guide > Introduction to Windows CE Programming > Overview of the Windows CE Operating System > Communications Interface