Patent ID: 7671730

Claim:
An alarm system comprising: an alarm device positioned in a location, and a receiver positioned in a second location separate from the alarm device, the alarm device comprising: one or more sensors operatively responding to a predetermined environmental indicator by providing a sensor signal identifying the responding sensor; an alarm communication device connected to a communication network and having a telephone number for receiving calls on the communication network; and an alarm microprocessor operatively connected to the one or more sensors and the alarm communication device, where the alarm microprocessor uses the alarm communication device to call and operatively connect to the receiver after receiving the sensor signal and transmitting an alarm signal to the receiver correlating to the responding sensor, the receiver comprising: a receiver communication device for connecting to the communication network and operatively connecting to the alarm communication device over the communication network; and a receiver microprocessor operatively connected to the receiver communication device, where the receiver microprocessor receives the alarm signal and identifies the location of the alarm device.