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# DialToneIdentification

The `DialToneIdentification` task detects and identifies dial tones in an audio file.

## Parameters

Parameter | Description | Required
--- | --- | ---
Type | The task name. Set to `DialToneIdentification`. | Yes
DoDialTones | The type of dial tone to identify. |
EndTime | The end of an audio section to process. |
File | The audio file to process. | Yes
Out | The file to write the results to. | Yes
Sfreq | The sample frequency of the audio file to process. |
StartTime | The beginning of an audio section to process. |
SugdInputChannels | The channel layout of the input media file. |
SugdInputFrequency | The sampling rate of the input media file. |

## Example

    http://localhost:13000/action=AddTask&Type=DialToneIdentification&File=C:\Data\Conference.wav&Out=ConfTones.ctm

This action uses port `13000` to instruct Speech Server, which is located on the local machine, to search for dial tones in the `Conference.wav` file and write the results to the `ConfTones.ctm` file.

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