What is an SMS alert system? 

An SMS (short message service) alert system is an off-premise application that is used to send text messages to groups, employees and organizations.  It uses standardized communication sms protocols to enable subscribed mobile devices to exchange short text messages.

Simplified Alerts is an sms alert system that allows customers to subscribe to a monthly or annual service that allows administrators to send critical and important alerts via text messages to groups of designated recipients.