[MSDN Library June 1998] Telephony API (30.1784647550777%)

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 Counters (29.7969574285364%)

MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Workstation 4.0 Resource Kit > Chapter 10 - About Performance Monitor > What's New in Performance Monitor

[MSDN Library June 1998] Telephony Services (27.7962962962963%)

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 Overview (27.3333333333333%)

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 Components (26.0185185185185%)

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