[MSDN Library June 1998] Phone Device (27.5%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TSPI Version 2.1 > Overviews > The Telephony Model > Device Classes

[MSDN Library June 1998] Phone Jacks (25.5113636363636%)

MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Server 4.0 Resource Kit > Windows NT Server Resource Kit - Supplement 1 > Chapter 4 - Using ISDN > Introduction to ISDN > ISDN Hardware

[MSDN Library June 1998] Phone-book Entries (25.3009259259259%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Remote Access Service (RAS) > About Remote Access Service > RAS Phone Books

[MSDN Library June 1998] Phone Devices (22.5448717948718%)

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] Phone Buttons (22.0789627039627%)

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