Spam filters don’t pose as many problems, but sirens and loudspeakers have volume and intelligibility issues.
LOS ANGELES
Read Campus Safety magazine's April 2008 Mass Notification Study to find out what percentage of students are signing up to receive e-mail and text-message alerts.
Most likely, non-emergency communications equipment and traditional mass notification systems are already in place at your institution. With some adjustments, these, combined with newly installed solutions, might be able to provide much of the coverage your institution needs during a disaster.
Here’s a breakdown of some of the pros and cons of the more commonly used emergency alert systems. Deploying multiple modes will help to ensure the strengths of one solution compensate for the weaknesses of others. Also, be certain to account for the hearing and sight impaired.