Patent ID: 7085361
Filing Date: 2006-08-01
Classification: H04M

Abstract:
1. A doorbell system for allowing a person exterior to a location to communicate with a person associated with the location, comprising: a communications system associated with the location and connected to the public switched telephone network (PSTN); a device positioned exterior to the location and connected to the communications system of the location, the device positioned exterior to the location including a signal generator for generating a signal to the communications system in response to input from the person exterior to the location; responsive to the signal from the signal generator of the device, initiating a time delay, upon expiration of the time delay without receiving a cancellation input, the communications system operative to initiate a communication to a person associated with the location, the initiating of the communication initiating communication via a public switched telephone network or a wireless communication network; and the device positioned exterior to the location operative to allow the person exterior to the location to participate in the communication; wherein the device senses an entrance to the location being opened and the communication system cancels the initiation of communication over the public switched telephone network or a wireless communication network to a person associated with the location.