[MSDN Library June 1998] Asynchronous Phone Operations (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] Asynchronous Operations (40.2172972710262%)

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

[MSDN Library June 1998] Asynchronous Event Processing (38.3160611107684%)

MSDN Library Visual Studio 6.0 > DDK Documentation > Windows 95 Device Driver Kit > Design and Implementation Guide > Port Drivers

[MSDN Library June 1998] Asynchronous Event Processing (33.2993387027417%)

MSDN Library Visual Studio 6.0 > DDK Documentation > Windows 95 Device Driver Kit > Design and Implementation Guide > Vendor-Supplied Drivers

[MSDN Library June 1998] Asynchronous Functions (31.7541600733025%)

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 > Synchronous/Asynchronous Operation