Add/Edit Holidays

1. In the "Weekday Schedule", make sure the correct Holiday Schedule is selected.
2. From Holiday Schedules: to edit a holiday, click on it, adjust the date(s), and Save
3. To add a new holiday, click Add New, enter the dates, and Save
4. Adjust the Maximum Greeting length if required, default is 90 seconds, maximum is 1200 seconds.

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