The Phone notice type allows parents to call or text a number that you add to the Notice.
Add a new notice.
Choose Phone (Call / SMS / Text) from the notice type dropdown.
Where prompted, enter the phone number you wish your parents to call / text.
If you want the notice to open a new text message to the number you entered, make sure you tick the checkbox.
Complete the remaining general steps to publish your notice - App Category, App Options and Publish.