[MSDN Library June 1998] Telephony API (42.8368506493506%)

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 (30.1098901098901%)

MSDN Library Visual Studio 6.0 > Books > The Windows Interface Guidelines for Software Design > Chapter 14 Special Design Considerations

[MSDN Library June 1998] Telephony (29.4097609315001%)

MSDN Library Visual Studio 6.0 > Platform SDK > Windows Programming Guidelines > Windows Logo and Programming Guidelines > Logo Requirements, Recommendations, and Best Practices > Provide Consistent, Up-To-Date Windows Support

[MSDN Library June 1998] Telephony Counters (25.7743718270034%)

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 Components (24.9797077922078%)

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