enum LINEMESSAGES
{
LINE_ADDRESSSTATE = 0,
LINE_CALLINFO = 1,
LINE_CALLSTATE = 2,
LINE_CLOSE = 3,
LINE_DEVSPECIFIC = 4,
LINE_DEVSPECIFICFEATURE = 5,
LINE_GATHERDIGITS = 6,
LINE_GENERATE = 7,
LINE_LINEDEVSTATE = 8,
LINE_MONITORDIGITS = 9,
LINE_MONITORMEDIA = 10,
LINE_MONITORTONE = 11,
LINE_REPLY = 12,
LINE_REQUEST = 13
}
Enum LINEMESSAGES
LINE_ADDRESSSTATE = 0
LINE_CALLINFO = 1
LINE_CALLSTATE = 2
LINE_CLOSE = 3
LINE_DEVSPECIFIC = 4
LINE_DEVSPECIFICFEATURE = 5
LINE_GATHERDIGITS = 6
LINE_GENERATE = 7
LINE_LINEDEVSTATE = 8
LINE_MONITORDIGITS = 9
LINE_MONITORMEDIA = 10
LINE_MONITORTONE = 11
LINE_REPLY = 12
LINE_REQUEST = 13
End Enum
From the TAPI header file. #defines for Line Messages