Remote answering of doorbell

Abstract From the Canadian patent

An apparatus and method for remotely answering a door. The apparatus includes a switch, a telephone transmitter and an a telephone receiver positioned near the door. At least one telephone station is operable to place a telephone call to a remote telephone identified by a pre-determined telephone number. An interface for detects actuation of the switch and signals the telephone station to place the telephone call in response to actuation of the switch and for places the telephone transmitter and receiver in communication with the telephone to establish telephonic communication between the telephone transmitter and receiver and the remote telephone.