SMS!Alert allow you to create custom alerts based on SMS messages, enter a incoming phone number and/or keyword filter, when someone sends a SMS with the keyword filter text or if incoming phone number matches, phone will display sound alert.SMS!Alert also lets your phone act like an emergency pager, perfect for IT person, on-call doctor, professor or anyone carrying a pager, works great to make sure I don’t miss certain critical messages, like a urgent SMS message from your Boss or your pregnant wife.To stop the notification alert, just Shake your phone or click on dismiss button.