Patent ID: 8275347

Claim:
A method comprising: receiving, by equipment at an emergency operations center, a first message indicative of an emergency alert broadcast message to be broadcast, wherein said first message comprises a payload, a first location, a first range, and at least one credential; rejecting the first message when validating each credential fails; and when validating each credential is successful, sending, from equipment at the emergency operations center, a second message comprising the payload and an indication that the emergency alert broadcast message should be broadcast to at least one broadcast tower within the first range of the first location; receiving a third message indicative of a second emergency alert broadcast message to be broadcast, wherein said third message comprises a second payload and at least one second credential and the range and location of said third message overlaps the range and location of said first message; rejecting the third message if validating each credential fails; and sending a fourth message comprising the second payload and an indication that the second emergency alert broadcast message should be broadcast to at least one broadcast tower, wherein said broadcast tower did not receive the first message.