Cellular communications based intercom system and methods

Details Cellular communications based intercom system and methods Cellular communications based intercom system and methods

2007-12-04

2007-12-04

Trieu, Van T. (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S539110, C340S539250

Reexamination Certificate

active

10880295

ABSTRACT:
A method in an intercom system including detecting the presence of a visitor at a visitor monitor, communicating (224) information received at the visitor monitor in association with the visitor detected to a remotely located communications network gateway, communicating (232) the presence of the visitor from the communication network gateway to a remote terminal, and forwarding the information received from the communications network gateway to the remote terminal.

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