Patent ID: 8345846
Filing Date: 2013-01-01
Classification: G07C

Abstract:
1. An intercom telephony interface unit configured to wirelessly communicate with a remote intercom and send wireless commands to a barrier controller, the remote intercom and the barrier controller operating remotely from the intercom telephony interface unit, the intercom telephony interface unit comprising: an interface unit controller which is configured to select a communication path based on call origination data, the call origination data comprising at least one caller identification packet from a telephony network and at least one caller identification packet from the remote intercom, the communication path selected from the group consisting of a path for communications between a telephone set and the telephony network and a path for communications between the telephone set and the barrier controller and the remote intercom; an interface circuit coupled to the interface unit controller, the interface circuit configured to be in communication with the interface unit controller and the telephony network; an interface unit transceiver in communication with the interface unit controller and configured to be in wireless communication with the barrier controller and remote intercom without the communications going through the telephony network; a connector configured to connect the telephone set with the interface circuit, the telephone set coupled to the telephony network through the interface unit, the interface unit transceiver configured to wirelessly communicate commands to the barrier controller from the telephone set through the interface unit transceiver without the commands going through the telephony network and the interface unit transceiver configured to wirelessly communicate with the remote intercom and propagate voice signals between the telephone set and the remote intercom without going through the telephony network; and a memory configured to store access history data.