| Sent to | LINEEVENT |
| Parameters | HTAPILINE htLine Specifies the TAPI DLL's opaque object handle to the line device. |
| HTAPICALL htCall Specifies the TAPI DLL's opaque object handle to the call device. | |
| DWORD dwMsg The value LINE_MONITORDIGITS | |
| DWORD dwParam1 The low order byte contains the last digit received in ASCII. | |
| DWORD dwParam2 Specifies the digit mode that was detected, of type LINEDIGITMODE. Values are: | |
| LINEDIGITMODE_PULSE Detect digits as audible clicks that are the result of rotary pulse sequences. Valid digits for pulse are '0' through '9'. | |
| LINEDIGITMODE_DTMF Detect digits as DTMF tones. Valid digits for DTMF are '0' through '9', 'A', 'B', 'C', 'D', '*', and '#'. | |
| LINEDIGITMODE_DTMFEND Detect and provide notification of DTMF down edges. Valid digits for DTMF are '0' through '9', 'A', 'B', 'C', 'D', '*', and '#'. | |
| DWORD dwParam3 Unused. | |
| Comments | This message is sent only when digit monitoring is enabled. |
| See Also | Functions: TSPI_lineMonitorDigits |