
Departments nationwide are dispatched via predetermined tones. In Dutchess County, the 911 center dispatches county departments in a systematic method: district tones, then station tones and EMS tones.
Here is an example of East Fishkill's tones:
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The components of this tone sequence are:
Of course, this entire sequence is rarely heard in a normal operation day, as few calls require the dispatch of all four stations.