EARLY WARNING SYSTEM

摘要

This invention enables the notification of large numbers of people in a geographic region in the case of emergency using the public switched telephone network. The system allows determination of the region to be notified and the language of notification, and delivers an audible voice message with instructions, to the telephones in the affected area. The message may be delivered by a variety of means corresponding to the severity of the emergency and the urgency of the instructions. Notification is returned to the agency issuing the notification of all telephones in the affected area which did not receive the voice message so that additional actions may be taken, if necessary.