[MSDN Library April 2000] Telephony Service Provider Interface (TSPI) (31.3898956340817%)

MSDN Library - April 2000 > Platform SDK > Networking and Directory Services > Telephony Application Programming Interfaces (TAPI, TSPI, MSPI) > TAPI Service Providers > Telephony Service Providers (TSP)

[MSDN Library April 2000] Telephony Counters (28.3897681266102%)

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 System (26.0185185185185%)

MSDN Library - April 2000 > Windows CE Documentation > Application Development > Communication Services > Telephony API > Creating a TAPI Application > Using a Modem

[MSDN Library April 2000] Telephony API (24.9797077922078%)

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 (24.6623847167325%)

MSDN Library - April 2000 > Windows CE Documentation > Application Development > Communication Services