An emergency can happen at any time, so we must always be prepared. Installing or upgrading emergency announcement and public address systems is an important way to make sure you are able to effectively respond in a crisis. These technologies provide an efficient way to immediately notify all occupants of a building simultaneously. Electronic Design Company has decades of experience designing and installing emergency announcement and public address systems in business complexes, government buildings and healthcare facilities. Today, we discuss the role that systems like this, as well as critical communications, play in emergency situations. Our Critical Communications Systems are.