home monitoring systems for elderly
34. ADT was first a
part of Western Union, then ATandT. It explored on technology research related to signaling business, making the company identical with emergency call systems.
World War II paved the way for a major breakthroughs alarms that signaled automatically to enhanced protection of families left home and secure supply factories. In 1974, on its 100th anniversary, ADT opened its first automated Central Monitoring center in Houston, Texas. Central Monitoring is one of the attributes that customers value primarily in an ADT system.