CDI_DTMFDETECTOR_PARMS controls the DTMF detector.
|
Field name |
Type |
Units |
Default |
Description |
|
onqualtime |
DWORD |
ms |
30 |
Indicates the minimum duration for a DTMF (in ms). Tones shorter than this duration are ignored. Valid values: 30 - 32766 |
|
offqualtime |
DWORD |
ms |
30 |
Indicates the minimum duration of silence after a DTMF (in ms). If two identical DTMFs follow one another, and the interval of silence between the tones is shorter than offqualtime, the detector considers them a single DTMF instance. Valid values: 30 - 32766 |
|
DTMF_mode |
DWORD |
Flag |
0 |
Determines when CDIEVN_DTMF_STARTED is sent to the application, indicating that a DTMF tone started. Valid values: 0 = Event is sent after the qualification time (onqualtime). 1 = Event is sent when the key is released. |