[MSDN Library June 1998] Telephony Application Programming Interface (35.9151876784986%)

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

[MSDN Library June 1998] Telephony (35.2595069986374%)

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 API (34.3764609630669%)

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 (32.6718603034392%)

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 (28.85397123202%)

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