The following table describes NCC.X.ADI_START.dtmfdet parameters:
NCC.X.ADI_START.dtmfdet |
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Dependent function: nccStartProtocol |
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Field |
Type |
Default |
Units |
Description |
columnfour |
DWORD |
1 |
mask |
Flag that indicates whether to detect the A, B, C, and D DTMF digits. Set this to 1 to detect these, or 0 to ignore them. |
offqualampl |
INT32 |
-45 |
dBm |
Minimum signal required to maintain recognition of a DTMF signal once
recognition has started. |
offqualtime |
DWORD |
40 |
ms |
Minimum duration of absence of a recognized DTMF signal before an end-of-digit event is emitted. Valid range is 5 to 32767. |
offthreshold |
DWORD |
0x92e0 |
IDU |
Do not modify. |
onqualampl |
INT32 |
-39 |
dBm |
Minimum signal level recognized as a DTMF signal. |
onqualtime |
DWORD |
50 |
ms |
Minimum duration of a recognized DTMF signal before a digit event is emitted. Valid range is 22 to 32767. |
onthreshold |
DWORD |
0xcab0 |
IDU |
Do not modify. |