[MSDN Library April 2000] Telephony API (30.1098901098901%)
MSDN Library - April 2000 > Windows Resource Kits > Windows 2000 Server Resource Kit > TCP/IP Core Networking Guide > Appendixes > Windows 2000 Network Architecture > Network Application Programming Interfaces
[MSDN Library April 2000] Telephony API (28.85397123202%)
MSDN Library - April 2000 > Windows CE Documentation > Application Development > Communication Services
[MSDN Library April 2000] Telephony Counters (26.5791119449656%)
MSDN Library - April 2000 > Windows Resource Kits > Windows NT Workstation 4.0 Resource Kit > Chapter 10 - About Performance Monitor > What's New in Performance Monitor
[MSDN Library April 2000] Telephony Drivers from Other Vendors (25.9615384615385%)
MSDN Library - April 2000 > Windows Resource Kits > Windows 95 Resource Kit > Chapter 25 Modems and Communications Tools
[MSDN Library April 2000] Telephony System (24.4518058161351%)
MSDN Library - April 2000 > Windows CE Documentation > Application Development > Communication Services > Telephony API > Creating a TAPI Application > Using a Modem