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May. 15th 11:54 AM 2012
adt special - security-alarm-systems.com/ph: 800-689-0274
ADT has a highly sophisticated network including five regional security centers, all located within the United States. Many other security companies have only one monitoring center, and some are not even in the United States. ADT’s system responds to alarms within seconds. And if a disaster renders one center inoperable, the system automatically reroutes alarm signals to one of the other centers
