[MSDN Library June 1998] LINECALLSTATUS (94.4444444444444%)
MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 2.1 > TAPI Reference > TAPI Structures > Line Device Structures
[MSDN Library June 1998] LINECALLSTATUS (86.7592592592593%)
MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TSPI Version 2.1 > TSPI Reference > TSPI Structures > TSPI Line Device Structures