[MSDN Library June 1998] Extended Phone Services (58.7914023960536%)

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

[MSDN Library June 1998] Extended Phone Services (57.9625322997416%)

MSDN Library Visual Studio 6.0 > Specifications > Platforms > Telephony Application Programming Interface (TAPI) > Chapter 3 > Phone Device Class

[MSDN Library June 1998] Extended Line Services (49.8814012966157%)

MSDN Library Visual Studio 6.0 > Specifications > Platforms > Telephony Application Programming Interface (TAPI) > Chapter 3 > Line Device Class

[MSDN Library June 1998] Extended Line Services (39.4452615130067%)

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

[MSDN Library June 1998] Extended Telephony Services (38.2856807275412%)

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 > Service Levels

[MSDN Library September 1992] Extended Command Messages (28.4891869274137%)

Product Documentation > Multimedia Development Kit > Programmer's Reference > Chapter 4 Message Overview > Media Control Interface Messages

[MSDN Library September 1992] Extended Command for Windowed Video Devices (25.865126412322%)

Product Documentation > Windows 3.1 DDK > Multimedia Device Adaptation Guide > Chapter 3 MCI Device Drivers > Handling Extended Command Messages and Data Structures

[MSDN Library September 1992] Extended Commands (23.9808346355364%)

Product Documentation > Multimedia Development Kit > Programmer's Reference > Chapter 7 MCI Command Strings > About MCI Commands

[MSDN Library September 1992] Extended Commands for Device Operation and Positioning (22.6889851547854%)

Product Documentation > Windows 3.1 DDK > Multimedia Device Adaptation Guide > Chapter 3 MCI Device Drivers > Handling Extended Command Messages and Data Structures

[MSDN Library September 1992] Extended Commands for Working with MCI Element Files (22.5109224767228%)

Product Documentation > Windows 3.1 DDK > Multimedia Device Adaptation Guide > Chapter 3 MCI Device Drivers > Handling Extended Command Messages and Data Structures